Mārtiņš Pļaviņš (born 8 May 1985 in Riga) is a Latvian beach volleyball player.

[1] Pļaviņš and team mate Samoilovs represented Latvia at the 2008 Summer Olympics in Beijing, China after which they stopped playing together.

[2] At the 2008 Olympics, the #21-ranked Latvian team achieved a major upset in the preliminary round, beating the #1-ranked team of Todd Rogers and Phil Dalhausser (United States).

At the 2010 European Beach Volleyball Championships, Pļaviņš and Šmēdiņš won the bronze medal.

[4] They lost to Rego and Cerutti of Brazil in the semi-final but beat Nummerdor and Schuil of the Netherlands in the bronze medal match.