Siim

Siim is both an Estonian masculine given name and less commonly, a surname. It is sometimes a diminutive of the given names Siimon and Siimeon, cognates of the given names Simon and Simeon.

Individuals bearing the name Siim include:
 * Given name:
 * Siim Avi (born 1984), Estonian politician and lawyer
 * Siim Kabrits (born 1979), Estonian politician
 * Siim Kallas (born 1948), Estonian politician
 * Siim-Valmar Kiisler (born 1965), Estonian politician
 * Siim Kiskonen (born 1997), Estonian cyclist
 * Siim Liivik (born 1988), Estonian-Finnish ice hockey player
 * Siim Luts (born 1989), Estonian professional footballer
 * Siim Pohlak (born 1985), Estonian businessman and politician
 * Siim-Markus Post (born 1997), Estonian basketball player
 * Siim Rast (born 1988), Estonian powerlifter
 * Siim Roops (born 1986), Estonian professional footballer
 * Siim-Tanel Sammelselg (born 1993), Estonian ski-jumper
 * Siim Sellis (born 1987), Estonian cross-country skier
 * Siim Sukles (born 1972), Estonian sport figure
 * Siim Tenno (born 1990), Estonian football midfielder
 * Siim Troost (born 1999), Estonian tennis player
 * Siim-Sander Vene (born 1990), Estonian professional basketballer

Andres Siim (born 1962), Estonian architect
 * Surname: