YC or yC may refer to:

Arts and entertainment

* Yellowcard, an American pop-rock band * Yellow Claw (DJs), Dutch DJ duo * Yung Chris, rapper * Yury G. Chernavsky (born 1947), a Russian-American producer, composer and songwriter

Businesses and organizations

* Y Combinator, a seed-stage startup funding firm * Yale College, the liberal arts college of Yale University * Youth Conference (Christian), an annual Christian conference * Youth Conference (Hong Kong), a youth conference in Hong Kong

Places

* Yakima County, Washington * Yellowstone Club, a private ski community in Big Sky, Montana, US * Yuba City, California

Science and technology

* S-Video (Y/C), a signaling standard for standard definition video * Yottacoulomb, an SI unit of electric charge * Yoctocoulomb, another SI unit of electric charge

Military

* YC, the United States Navy hull classification symbol for «open lighter» {{disambiguation