The Kirby 25 is a racing keelboat. Mirage Yachts in Canada built 223 from 1978 to 1983.
Designed by Bruce Kirby as a J/24 competitor, the fibreglass hull has an internally-mounted spade-type rudder.
It has sleeping accommodation for four people, with a double "V"-berth in the bow cabin and two straight settee berths in the main cabin. The interior is minimalist for racing and there are no provisions for a galley or head. Cabin headroom is . It has a hull speed of .
It has a fractional sloop rig.