The Tanzer 7.5 is a recreational keelboat built from 1977 to 1985 by Tanzer Industries Limited in Dorion, Quebec. A total of 790 boat were built, including some in Tanzer's US subsidiaries.
Designed by Johann Tanzer, the fibreglass hull has a transom-hung rudder. It has a hull speed of .
With the fixed fin keel it has a PHRF of 201, a displacement, of ballast and a draft of . The shoal draft version has a PHRF of 228 with a high of 237 and low of 207. displacement, of ballast and a draft of .
It has four berths, with a small "V"-berth and two straight settee berths in the main cabin around a folding table. The galley is located on both sides just aft of the companionway ladder. The galley is equipped with an ice box and a sink to starboard, with a two-burner stove to port. The head is located just aft of the bow cabin on the port side. Cabin headroom is . Tanzer 7.5s built in the 1970s had three portlites on each side while those built in the 1980s instead had a single long window on each side.
It has a masthead sloop rig. A self-tacking jib on a boom was a factory option.