Gonnoi (, before 1927: Δερελί -
Dereli) is a former
municipality in the
Larissa regional unit,
Thessaly,
Greece. Since the 2011 local government reform it is part of the municipality
Tempi, of which it is a municipal unit. Population 3,119 (2001). The municipality was created under the Kapodistrias Law in 1997 out of the former communes of Gonnoi, Kallipefki, Itea and Elia.