Sigma Omicron Pi

Sigma Pi Alpha National Sorority, Inc.

Sitaare

Skiandsnowboard (UCSD sports club)

Sleepless Collective

Social Club

Society of Asian Scientists and Engineers at UC San Diego

Society of Automotive Engineers @ UC San Diego

Society of Civil and Structural Engineers

Society of Cosmetic Chemists at UC San Diego

Society of Hispanic Professional Engineers

Society of Hispanic Students in Law

Society of Undergraduate Mathematics Students (SUMS)

Society of Women Engineers (SWE)

Society of Women in Law at UC San Diego

Soka Gakkai International Buddhist Club

Soluna at UC San Diego

Soon Movement Global

South Asians in Cognitive Science (SAICS) @ UC San Diego

South and East Asian Sports Society

Speculative Design Futures at UC San Diego

Speech, Physical, Occupational Therapy (SPOT)

Sports Care, Ortho & Pre-health Exploration

Sports Medicine Association at UC San Diego

Sprout Up @ UC San Diego

StRIVE

Start Up Incubator Club

Street Medicine @ UC San Diego

Strides Running Club

Student Involvement Leadership Consultants (SILCs)

Student National Pharmaceutical Association

Student Support Services Club (SSSC or SSS Club)

Student Veteran Organization

Students United for Research &Environmental Safety

Students for Global Health

Students' Civil Liberties Union

Sun God Archery at UC San Diego

Sun God Soccer

Sunny Angels at UC San Diego

Sunset Society at UC San Diego

Surfing (UCSD sports club)

Surfrider Foundation @ UC San Diego

Sustainable Investment Group

Swimming (UCSD sports club)

Symphonic Student Association

TAITA-JR at UC San Diego

TAMID at UCSD

TEDx@UCSanDiego

TREND

TRUTH Club

Table Tennis (UCSD sports club)

Taekwondo @ UC San Diego

Taiwanese American Student Association

TamashaSD

Tangle @ UC San Diego

Tau Beta Pi

Teach it Forward

Team Handball Club at UC San Diego

Tennis (UCSD sports club)

Teo-Chew Association

Thai Student Union

Themed Entertainment Association @ UC San Diego

Theta Tau at UC San Diego

Thrive Project, The

Tijuana Youth Migrant Mentor Network (TYMMN)

Tokens

Trailblazers at UC San Diego

Transfer Outreach Society

Transfers in Science

Trauma & Occupational Injury Prevention Program

Trebles, The

Triangle

Triathlon (UCSD sports club)

Triton A Cappella Community

Triton Actuarial Society

Triton Armwrestling

Triton Astronautics Research Systems Group

Triton Autonomous Systems

Triton Baja

Triton Barbell

Triton Boxing

Triton Brain Injury Network

Triton Business Society

Triton Consulting Group

Triton Council for Entrepreneurs

Triton Democrats

Triton Droids

Triton Engineering Student Council

Triton Fighters

Triton Film Society

Triton Finance Group

Triton Foodie

Triton Gaming

Triton Jewish Life

Triton League and TFT at UC San Diego

Triton Lunabotics

Triton Melee

Triton Minecraft

Triton Motorsports

Triton NeuroTech

Triton Pickleball

Triton Pokémon League

Triton Project Management Club

Triton Prosthetics Society (TPS)

Triton Quantitative Trading

Triton Riftbound @ UC San Diego

Triton Robotics

Triton Smash

Triton Social Media Creators

Triton Software Engineering

Triton Solar Car

Triton Spike

Triton Splatoon

Triton Street

Triton Swing Dance

Triton Tails - Furries at UC San Diego

Triton Tidepooling

Triton Unmanned Aerial Systems

Triton Valorant

Triton XR