The Ottawa Senators are a team in the National Hockey League that has played since 1992.
Ottawa Senators can also refer to:
- Ottawa Senators (CWHL) - current CWHL team
- Ottawa Jr. Senators - junior-level team, founded in 1980.
- Ottawa Senators (original) - History of Ottawa Hockey Club, senior-level team which played from 1883, and operated as the NHL Senators until 1934. (1883–1954).
- Ottawa Senators (senior hockey) - Second phase of Ottawa Hockey Club, senior-level amateur/semi-pro team, which won the Allan Cup in 1949. (1934–1954)
- Ottawa Senators (FHL) - professional team which played in 1908–09.
- Ottawa Senators (baseball) - a minor league baseball team that operated at various times between 1912 and 1949.
Since Ottawa is also the seat of the federal government of Canada, it can also refer to the members of the House of the Senate:
- Canadian Senate - the upper house of the Parliament of Canada
It may also refer to:
- Ottawa Rough Riders - a Canadian football team that played under the name "Ottawa Senators" between 1925-1930.
