| First Name | Jean |
| Last Name | Acker |
| Full Name at Birth | Harriet Acker |
| Other Names | Jean MendozaMrs. Rudolph Valentino |
| Age | 84 (age at death) |
| Date of Birth | October 23, 1893 |
| Birthplace | Trenton, New Jersey |
| Date of Death | August 16, 1978 |
| Location of Death | Los Angeles, California |
| Height | 5' 2½" (159 cm) |
| Build | Slim |
| Star Sign | Scorpio |
| Ethnicity | White |
| Nationality | American |
| Occupation Category | Actress |
| Claim to Fame | First Wife of Rudolph Valentino |
Jean Acker (October 23, 1893 – August 16, 1978) was an American film actress with a career dating from the silent film era through the 1950s. She was perhaps best known as the estranged wife of silent film star Rudolph Valentino.
Selected Jean Acker film and TV show credits: