| First Name | Oscar |
| Last Name | Hammerstein II |
| Full Name at Birth | Oscar Greeley Clendenning Hammerstein |
| Age | 65 (age at death) |
| Date of Birth | July 12, 1895 |
| Birthplace | New York City, New York, USA |
| Date of Death | August 23, 1960 |
| Location of Death | Doylestown, Pennsylvania, USA |
| Cause of Death | Stomach Cancer |
| Height | 6' 3" (190 cm) |
| Build | Average |
| Hair Color | Grey |
| Star Sign | Cancer |
| Ethnicity | White |
| Nationality | American |
| Occupation Category | Music Producer |
| Claim to Fame | Tony Award Winner |
| Music Genre | Stage & Screen |
| Music Style | Stage & Screen, Vocal, Show Tunes, Cast Recordings, Traditional Pop, Classical, Lyricist, Librettist |
| Instrument | Songwriter, Composer |
Oscar Greeley Clendenning Hammerstein II (July 12, 1895 – August 23, 1960) was an American writer, theatrical producer, and (usually uncredited) theatre director of musicals for almost forty years. Hammerstein won eight Tony Awards and was twice awarded an Academy Award for "Best Original Song", and much of his work is part of the unofficial Great American Songbook. He wrote 850 songs. Hammerstein was the lyricist and playwright in his partnerships; his collaborators wrote the music. Hammerstein collaborated with composers, including Jerome Kern, Vincent Youmans, Rudolf Friml and Sigmund Romberg, but his most famous collaboration was with Richard Rodgers.
Selected Oscar Hammerstein II film and TV show credits: