Si (given name)
Si is a given name, which is often a nickname or a short version of Simon, Silas, or other names. It may refer to the following notable people:
- Si Begg, English electronic dance music DJ, musician and record producer
- Si Bell, American college football player
- Si Kaddour Benghabrit, Algerian religious leader, translator and interpreter
- Si Burick, American sports journalist
- Si Cranstoun, British singer
- Si Frumkin, Lithuanian-born Jew, Holocaust survivor, textile manufacturer and activist in the United States
- Si Garrett, American politician and attorney
- Si Genaro, British musician
- Si Gerson, American communist politician and journalist
- Si Green, American basketball player
- Si Griffis, Canadian ice hockey player
- Si Hayden, British musician and composer
- Si Jenks, American actor
- Si Johnson, American baseball player
- Si Kahn, American singer-songwriter and activist
- Si King, English television presenter
- Si Lewen, Polish-American painter and soldier
- Si Mohand, Berber poet from Kabylie, Algeria
- Si Mustapha-Müller, German-Algerian revolutionary
- Si Phili, British rapper
- Si Phyo, Burmese actor
- Si Pitung, 19th century bandit in Indonesia
- Si Robertson, American television personality
- Si Schroeder, Irish music artist
- Si Siman, American country music executive
- Si Spencer, British comic book writer and TV dramatist and editor
- Si Stebbins, namesake of the Si Stebbins stack in cards
- Si Yew Ming, Malaysian tennis player
- Si Zentner, American jazz trombonist and big-band leader