Juozas Olekas (born 30 October 1955) is a Lithuanian surgeon and politician, a former Minister of National Defence, from 2006 to 2008.

[1] Olekas studied at Kaunas Institute of Medicine from 1974 to 1976, and at Vilnius University from 1976 to 1980.

Between 1994 and 1997 he was a chief physician at the Vilnius University hospital.

Olekas is married to Aurelija Olekienė, they have two daughters.

Olekas was Vilija Blinkevičiūtė's main competitor in the 2021 Social Democratic Party of Lithuania leadership election, finishing second with 44% of the vote.