Gert Olesk

Football player infobox
playername = Gert Olesk
fullname = Gert Olesk
height = Height|m=1.78
dateofbirth = birth date and age|1973|8|8
cityofbirth = Estonian SSR
countryofbirth = USSR
currentclub =
clubnumber =
position = Defender
youthyears =
youthclubs =
years = 1993-1995
1993-1996
1997
1997-2000
2001-2002
2003-2007
clubs = FC Flora Tallinn
JK Tervis Pärnu
Lelle SK
JK Viljandi Tulevik
FC Elva
FC Pärnu Vaprus
caps(goals) = 5 (0)
36 (4)
15 (2)
87 (3)
22 (1)
77 (5)
nationalyears = 1994–2000
nationalteam = flagicon|Estonia Estonia
nationalcaps(goals) = 13 (0)
pcupdate = December 19, 2007
ntupdate = December 19, 2007

Gert Olesk (born on August 8, 1973) is an Estonian professional footballer. He plays the position of defender. He is 1.78 m tall and weighs 81 kg.

He has made a total of 13 appearances for the Estonia national football team. He made his international debut in 1994.