Chen Te-tung (Chinese: 陳德同; pinyin: Chén Détóng; born October 15, 1985) is a Taiwanese former swimmer, who specialized in freestyle events.

[1] Chen qualified for two swimming events, as a member of the Chinese Taipei team, at the 2004 Summer Olympics in Athens.

He pulled off a second-place effort in heat one by a 1.72-second margin behind Philippines' Miguel Mendoza with a time of 4:03.71.

[4][5] The following day, Chen delivered a forty-seventh-place finish in the 200 m freestyle.

Swimming in heat three, he raced to a sixth seed by 0.24 of a second behind Cyprus' Alexandros Aresti in 1:54.14.