Mechanicsville is a neighbourhood in Kitchissippi Ward in central Ottawa, Ontario, Canada. It is located to the west of downtown and bordered by the Ottawa River to the north, the O-Train Trillium Line to the east, Scott Street to the south, and Parkdale Avenue to the west. East of Mechanicsville is LeBreton Flats, Tunney’s Pasture is directly west, and Hintonburg is to the south.

The total population of the neighbourhood as of the 2011 Census was 2,205.

The area is mostly residential, of wood-frame/wood siding 1900s era homes on grid streets. Along Parkdale Avenue, there are several newer highrise apartment buildings. To the east is an older industrial area along Bayview.

The neighbourhood has good bus access and has experienced infilling of town homes in recent years. These include both low and high income housing. In 2007 a serious fire affected some high density social housing and the neighbourhood helped the victims of this fire. Prominent landmarks include the Protection of the Holy Virgin Memorial Church and the Embassy of Indonesia.