Leitrim (/ˈliːtrəm/ LEE-trəm) is a station on the Trillium Line of Ottawa's O-Train and on the system's bus network, and is located in the suburban community of Leitrim. Situated on Gilligan Road, it serves as a transportation hub connecting residents to downtown Ottawa and other parts of the city. Leitrim station opened on January 6, 2025, as part of Ottawa's extensive Stage 2 transit expansion project.

The station features two elevated side platforms and includes amenities such as sheltered waiting areas, bicycle shelters, and accessible parking spaces. The park-and-ride facility initially offers 290 spaces, with plans to expand to accommodate up to 925 vehicles in the future.

Leitrim is a key station on Line 2, serving the Findlay Creek community and surrounding areas. It features a fare-paid bus loop with multiple shelters and staff facilities, enabling integration between bus and rail services.

Leitrim station service
North O-Train
South O-Train
A South (future off-only)	99   299
B North	93   99   94  (future)  299
C Unused

Starting in April 2025, Route 99 and 299 will no longer serve Leitrim station. Route changes are as follows:

Route 94 is a new limited local route that will operate between Leitrim station and Dun Skipper Drive, replacing the current Route 294 on Kelly Farm Drive.

Route 93 will be changed to operate between Rotary Way and Leitrim Station on Findlay Creek Drive. Service on Conroy Road, Queensdale Avenue, Sixth Street, Athans Avenue, Albion Road, and Bridle Path Drive will be discontinued and replaced by changes to Route 40.

School routes 693 and 699 are accessible at the intersection of Leitrim and Albion, providing transportation options for students of the St. Francis Xavier and Pierre-de-Blois high schools.