Registered student organizations (RSOs) are established by students for the purposes of the students who join these organizations. These groups with common special interests must recruit faculty or staff volunteer advisers. Adviser service need not be part of the adviser’s job description. Individual student groups may collect dues and raise additional operating funds in compliance with the University’s fundraising policy. They do not share the University's tax-exempt status. Individual student groups may request student activity fee support for one-time events and initiatives.
African Student Association - promotes and celebrates African Culture on the Trinity University Campus, while also encouraging high scholastic achievement, community service, and unity among both African and all students at Trinity.
Alpha Epsilon Delta - recognizes excellence in premedical scholarship, promotes communication between medical and premedical students and educators, uses its resources to benefit the community.
Alpha Kappa Psi - the oldest and largest professional business fraternity in the US, develops principled business leaders through an established alumni network, interview and resume workshops, as well as professional events for the entire Trinity community.
Alpha Lambda Delta - recognizes students who have maintained a 3.5 or higher GPA and are in the top 20% of their class during their first year or term of higher education.
Alpha Phi Omega - provides members with opportunities in leadership, fellowship and service.
American Medical Student Association - provides opportunities for pre-med students to form a community and to participate in activities to aid with medical school admission.
American Sign Language Club - allows students with an interest in ASL to learn about the language and deaf culture.
American Society of Mechanical Engineers - promotes the art, science & practice of multidisciplinary engineering and allied sciences around the globe.
Anthropology Society - Comprised of individuals interested in the disciplines of archaeology, biological/physical, linguistics, and cultural anthropology. The organization provides: a forum for discussion and debate on current anthropological issues; education for students about the opportunities in the field of anthropology; and facilitate the visit of notable anthropologists to campus when possible.
Association of Biochemistry and Molecular Biology - this group works to advance the science of biochemistry and molecular biology through publication of scientific and educational journals: the Journal of Biological Chemistry, Molecular & Cellular Proteomics, and the Journal of Lipid Research, organization of scientific meetings, advocacy for funding of basic research and education, support of science education at all levels, and promoting the diversity of individuals entering the scientific workforce.
Association for Computing Machinery - promotes an interest in the science, design, development, construction, languages, management, and applications of modern computing.
Black Student Union - creates a social network for black students and those interested in the culture and to educate the Trinity community about salient historical perspectives and issues that are relevant to black communities.
Catholic Student Group - provides Catholic Mass on Sundays and occasional meetings for people of all faiths to learn about the Catholic Faith.
Chemistry Club (American Chemical Society) - exposes students to different career options in chemistry, gives to the community through science, and fosters student-faculty interaction.
Chess Club - promotes, develops, and arranges gatherings of members who wish to learn how to play chess or improve their game.
Chinese Culture Club - seeks to educate the community about Chinese history through festivals and other events of cultural significance.
Collegiate Texas Music Educators - sponsors pre-professional development for Trinity's Music Education students and acts as a link between the Trinity Music Education Program, the San Antonio community, and prospective Trinity music students.
Delta Sigma Pi - a professional business fraternity that provides networking opportunities, alumni connections, professional lectures and leadership training.
Eco Allies - Promotes, educates, and inspires a more environmentally conscious student culture.
Fellowship for Christian Athletes - present to athletes and coaches and all whom they influence the challenge and adventure of a relationship with Jesus Christ.
Fencing Club - to provide a place for those with fencing experience to practice and train as well as to grow the fencing community on campus.
Filipino Student Association - acquaints students with the Filipino culture and promotes ethnic diversity awareness on campus.
First Time Offenders Comedy Troupe - to provide comedy for the campus and create a relaxed, fun environment that will foster improvisational abilities in order to improve communication, quick thinking, relatability, and public performance skills.
Geology Club - shares students' interests in the geosciences, while extending knowledge to others within the Trinity and San Antonio community.
Global Health Initiative - to expose students to the public health aspect of the medical field through volunteering in various places in San Antonio and get a hands-on grasp to how healthcare is practiced. The members should be able to understand how a person in the field acts/should act towards patients from different backgrounds whether it’s medical, social, ethnicity etc.
International Club - celebrates the diverse groups of students, faculty and staff on campus and provides international students, study abroad students and students with international interests an environment to share their experiences.
International Humanitarian Crisis Initiative - responds to international humanitarian crises, focusing on the acute crises and thus the people most in need of immediate humanitarian assistance.
InterVarsity Christian Fellowship - In response to God's love, grace and truth, the purpose of InterVarsity is to establish and advance witnessing communities of students and faculty who follow Jesus as Savior and Lord: growing in love for God, God's Word, God's people of every ethnicity and culture, and God's purposes in the world.
Italian Society - to strengthen the community of people who are Italian, speak Italian or are interested in Italian culture – both in Trinity University and the surrounding San Antonio Area.
Japanese Culture Club - promotes and provides academic, professional, and social settings in which to study and discuss the culture of Japan.
Jewish Student Association - provides students, faculty and staff and friends of all Jewish denominations with a community to pass holiday and events, expand on Jewish culture, and engage in dynamic, modern, college-style Jewish life.
Knitting Club - to provide an environment for people to come together and do craft works including knitting, crocheting, cross stitching, quilting, etc.
Latino Association - responds to the needs of an individual or a group as a whole, enriching the community with regard to the Latino/Hispanic culture and traditions and ensuring continuous recruitment, and retention of Latino/Hispanic students.
Loon-E Crew (Hip-Hop Dance Crew) - enhances the amount of socially diverse events and expression of self through hip-hop dancing.
Mock Trial Club - a competitive organization that seeks to instill members with the ideals of the legal system while teaching forensic and interpersonal skills, and that strives for success at the state and national levels. Individuals will build teamwork skills, analytical abilities, and receive coaching from Trinity alumni with extensive legal experience.
Mu Phi Epsilon - coeducational musical fraternity that advances music in the community, nation, and throughout the world.
Muslim Student Association - increases awareness of Islam and holds meetings for discussion of a variety of topics.
National Society of Collegiate Scholars: recognizes and celebrates the high achievement among first and second-year students in all academic disciplines.
Omicron Delta Kappa - recognizes leadership in five phases of campus life and high scholastic achievement.
Phi Sigma Pi - encourage the acquisition and dissemination of knowledge through scholarship, the application of professional skills and the fostering of leadership qualities, and the fostering of fraternal fellowship.
Promoting Respect, Inclusiveness, Diversity, and Equality (PRIDE) - increase understanding and acceptance at Trinity of all members who share common interests in issues regarding sexuality and sexual orientations. Trinity's LGBTQ group on campus.
Prowlers Dance Team - entertain our peers as well as promote the art of dance on campus.
Reformed University Fellowship - reaches and equips students for Christ through a weekly large group Bible Study, student-led small groups, and various conferences and service opportunities.
Rotaract Club - provides students with opportunities for professional and leadership development, as well as addressing community needs through various service projects.
Society of Physics Students - assists students in pursuit of knowledge relating to physics, inspires interest in physics, and provides a community for students interested in physics.
Society of Women Engineers - center of information for women in engineering; encouraging women while providing a support system and enhancing professionalism among its members.
South Asian Student Association - puts together cultural events on campus such as Holi and Diwali annually.
Swashbucklers - to create a close-knit community for upperclassmen living on campus and to provide a substance free environment that supports the individualism of each member.
Swing Bums - provides opportunities to dance and learn swing dancing (and promotes social dance in general).
TEACH - provides leadership and professional development opportunities for undergraduate students at Trinity interested in education and their society.
TEDxTrinityUniversity: organizes informative conventions that bring accomplished speakers and new ideas to the Trinity campus and San Antonio community.
The Contemporary - non-partisan journal of current affairs that seeks to inform the public and serve as a forum to elicit constructive dialogue among readers in the Trinity University community.
The Financial Initiative - give students the ability to gain meaningful practical experience in quantitative areas of business.
Tiger Stand Band - play at Trinity University football and basketball games, as well as other events upon request!
Tigers for Liberty - promotes principles of personal and economic freedom, limited government, and liberty.
Tigers for Life - promotes respect for every human life, and in particular works to save innocent human lives threatened by induced abortion, euthanasia, and the destruction of human embryos for research.
Trinity Art Collective - enhances and unites students seeking involvement with the Trinity Art/Art History Department by providing an open forum for active student dialogue within the department, stimulating art-based discourse to enrich the Trinity community, encouraging participation in the real world art community, and establishing post-graduation professional guidance opportunities.
Trinity Bee Alliance - to educate students about the importance of honeybees to both humans and the greater environment by keeping and maintaining bees on campus, training others to do so, and eventually teaching classes on beekeeping.
Trinity Cyber Security - spreads awareness of cyber security in order to educate the Trinity community. Opportunity to research and develop skills, connect and network with computer science and information technology professionals, and compete at local, regional, and national cyber security competitions.
Trinity Philosophy Club - promotes the discussion of philosophy (and topics pertaining to it) among the student body.
Trinity Pre-Law Society - a community for students interested in and actively pursuing a future legal education.
Trinity Progressives - create a space for progressive thought and activism at Trinity University.
Trinity Unitarian Universalists - serves as an environment for Trinity students’ personal growth and spiritual exploration.
Trinity University Forensics Society - promote forensics activities, including but not limited to, Intramural Debate, Urban Debate League volunteering, campus forums and debates, helping other organizations with public debaters, and high school debate judging.
Trinity University Gaming - create a community for competitive video gaming at Trinity and organize both competitive and social gaming events.
Trinity University Players - welcomes anyone interested in theatre, drama and fun!
Trinity Women in Science & Technology - for students, staff, and faculty interested in the field of science and technology. Anyone, regardless of gender, is welcome to join.
TUFit: The Health Club - to provide opportunities for students to increase their fitness and general health knowledge.
Vietnamese Student Association - creates a social and educational network for students interested in Vietnamese culture.
Wesley Foundation- provides a Christ-centered "home-away-from-home" for the students of Trinity University.
Women in Computing - to promote communication among women in computing and to further the professional development and advancement of women in computing.
Young Life College - creates a safe environment for college students to build friendships, seek mentorship, and learn about Christ through games, songs, small groups, and speakers.