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 (born 1972), English electronic dance music DJ, musician and record producer Si Bell (1894–1972), American college football player Si Kaddour Benghabrit (1868–1954), Algerian religious leader, translator and interpreter Si Burick (1909–1986), American sports journalist Si Cranstoun (born 1971), British singer Si Frumkin (1930–2009), Lithuanian-born Jew, Holocaust survivor, textile manufacturer and activist in the United States Si Garrett (1913–1967), American politician and attorney Si Genaro (born 1971), British musician Si Gerson (1909–2004), American communist politician and journalist Si Green (1933–1980), American basketball player Si Griffis (1883–1950), Canadian ice hockey player Si Hayden, British musician and composer Si Jenks (1876–1970), American actor Si Johnson (1906–1994), American baseball player Si Kahn (born 1944), American singer-songwriter and activist Si King (born 1966), English television presenter Si Lewen (1918–2016), Polish-American painter and soldier Si Mohand (c. 1848–1905), Berber poet from Kabylie, Algeria Si Mustapha-Müller (1926–1993), German-Algerian revolutionary Si Phili (born 1974), British rapper Si Phyo (born 1990), Burmese actor Si Pitung, 19th century bandit in Indonesia Si Robertson (born 1948), American television personality Si Schroeder (born Simon Kenny), Irish music artist Si Siman (born Ely E. Siman Jr.; 1921–1994), American country music executive Si Spencer (1961–2021), British comic book writer and TV dramatist and editor Si Stebbins, namesake of the Si Stebbins stack in cards Si Yew Ming (born 1979), Malaysian tennis player Si Zentner (1917–2000), American jazz trombonist and big-band leader
See also Si On, South Korean painter Si Yi Chen, Australian criminal Sy