Semih Erden (born July 28, 1986) is a Turkish professional basketball player for Pınar Karşıyaka of the Turkish Basketball Super League. Standing at 7 ft 0 in (2.13 m), he plays at the center position.
Erden played with Darüşşafaka in the Turkish Basketball League in 2003-04 season, appeared in one game in which he recorded one point and two rebounds. He spent the majority of the season playing with the Darüşşafaka junior team.
Next season, Erden played with Partizan Belgrade in the Adriatic League and averaged 4.6 points and 3.2 rebounds. He scored in double figures twice, tallying a high of 17 points against KK Hemofarm. He contributed 3.0 points and 2.3 rebounds per game in 12.5 minutes a contest in the EuroLeague. His highest scoring game of 10 points occurred against Efes Pilsen. In 2004–05, he also appeared in seven Yugoslav Basketball League games, averaging 1.7 points and 0.7 rebounds in 4.4 minutes a contest.