Theodoros Tounousidis (Greek: Θεόδωρος Τουνουσίδης; born January 13, 1984) is a Swedish-born Greek wrestler who competed for the men's Greco-Roman 96 kg (heavyweight division) at the 2008 Summer Olympics in Beijing.

[1] Tounousidis received a bye for the second round, before losing out to Georgia's Ramaz Nozadze, with a technical score of 1–3, and a classification point score of 1–3.

[2] Tounousidis eventually won the silver medal for the heavyweight category at the 2009 Mediterranean Games in Pescara, Italy, losing out to Turkey's Serkan Ozden.

He is also a member of Spårvägens BK in Stockholm, Sweden, being coached and trained by Ryszard Swierad.

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