Efthimios Rentzias, Greek basketball player
Efthimios "Efthimis" Rentzias (alternate spellings: Efthymios, Efthymis; Greek: Ευθύμιος "Ευθύμης" Ρεντζιάς; born January 11, 1976) is a retired Greek professional basketball player. During his pro club career, he was most notably a member of the Spanish League's FC Barcelona, and the NBA's Philadelphia 76ers. At a height of 2.12 m (6'11 1⁄2") tall, he played at the center position.