Yoav Gath (Hebrew: יואב גת; born November 8, 1980) is an Olympic and national-record backstroke swimmer from Israel.

He trained at Hapoel Kiryat-Tivon swimming club coached by Andre Tot.

At age 15 he relocated to the Academy for Sport Excellence at the Wingate Institute, coached by Leonid Kaufman and joined Hapoel Jerusalem swimming club.

Yoav won gold 1995 at the European Youth Olympics in Bath in the men's 200-meter backstroke with a time of 2:07.65.

In 1996 he won silver at the European Junior Champs in Copenhagen, Denmark, in the 200 back Long-course, with a time of 2:04.74.

Antwerp Belgium Short-course he won silver in the 200 back with a new Israeli record 1:54.15.

After the swimming Yoav received a BSc with distinction in pure mathematics from the Technion, IIT, in 2017.