Metehan Altunbaş (born 7 January 2003) is a Turkish footballer who plays as a forward for Adanaspor.

[1] Altunbaş came through the youth ranks of Eskişehirspor, making his professional debut for the club in a TFF First League match against İstanbulspor as an overtime substitute on 28 October 2018.

[3] He initially was designed to play for LASK's reserve team Juniors OÖ in second tier, though making his Austrian Bundesliga debut already on 14 March 2021.

He was summoned to the U-23 squad for the 2021 Islamic Solidarity Games in Konya, as his team won the tournament.

He played four games out of five, and scored only one, which was the goal in the final against Saudi Arabia, as Turkey gained gold with a 1–0 win.