| William Adama | |
 Admiral Adama in 2391 | |
| Full name: | William Adama |
| Nickname(s): | Bill |
| Species: | Human |
| Gender: | Male |
| Homeworld: | Earth |
| Birthplace: | San Francisco, Earth |
| Affiliation: | Federation Starfleet |
| Family | |
| Mother: | Evelyn Adama |
| Father: | Joseph Adama (deceased) |
| Sibling(s): | Tamara Adama (half-sister; deceased) William "Willie" Adama (half-brother; deceased) |
| Marital Status: | Divorced |
| Spouse(s): | Carolanne Adama (ex-wife; deceased) |
| Children: | Leland J. Adama (son) Zak Adama (son; deceased) Lee Adama (son) |
| Career | |
| Occupation: | Starfleet officer |
| Serial number: | SP-204971 |
| Previous Assignment: | Commanding officer, USS Valkyrie (2366-2373) |
| Assignment: | Commanding officer, USS Galactica (2373-present) |
| Rank: | Admiral |
| Insignia: |  
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Admiral William Adama is a male Human Starfleet officer in the 24th century and commanding officer of the USS Galactica. Adama is a friend of Vice Admiral Typhuss James Kira.