| Siv Ericks | |
| Birth Name: | Siv Gustava Eriksson |
| Birth Date: | 31 July 1918 |
| Birth Place: | Oxelösund, Sweden |
| Death Place: | Onsala, Sweden |
| Nationality: | Swedish |
| Occupation: | Actor |
| Years Active: | 1934–1994 |
Siv Ericks, real name Siv Gustava Essy-Ehsing (born Eriksson; 31 July 1918 in Oxelösund – 3 July 2005 in Onsala), was a Swedish actress who performed in 66 Swedish films over a 53-year career.
Ericks began her film career with a leading role in the 1939 film Rosor varje kväll. Her work for Swedish film director Ingmar Bergman was slight; one uncredited role in A Lesson in Love (En Lektion i kärlek) (1954) and a role that ended up on the cutting room floor (Kvinnodröm, aka Dreams and Journey Into Autumn, 1955). In 1982, however, in one of her final roles, she played Alida in Bergman's Fanny and Alexander. She also had supporting roles in Pippi Longstocking (1969) and Pippi Goes on Board (1973).