Samet Akaydin (born 13 March 1994) is a Turkish professional footballer who plays as a centre-back for Greek Super League club Panathinaikos, on loan from Fenerbahçe, and the Turkey national team.
Akaydın began his youth career with Black Sea Region-based clubs Trabzon İdmanocağı, Trabzonspor, Boluspor and started his professional career with hometown club Arsinspor.
He played four seasons with Istanbul-based club Sancaktepe, one season with Şanlıurfaspor, and 1 1⁄2 seasons with Ankara Keçiörengücü.
He moved to Süper Lig side Adana Demirspor where he had successful seasons and selected to the national team.
On 4 December 2023, he signed Turkish powerhouse Fenerbahçe SK for 3 1⁄2 years.
He made his Süper Lig debut for the team in a 2-1 away game win over Gaziantep FK on 15 January 2023.
On 14 January 2024, Akaydin joined Greek side Panathinaikos on loan from Fenerbahçe, until the end of the 2023–24 season.
Akaydin debuted with the Turkey national football team in a friendly 2–1 win over the Czech Republic on 19 November 2022.