Thomas Rupprath (born 16 March 1977 in Neuss) is an Olympic swimmer from Germany, who is nicknamed "The New Albatross".

He held the world record for the 50 m backstroke (short course) with a time of 23.27 seconds set on 31 November 2002.

This was broken by Robert Hurley of Australia on 26 October 2008.

He also held the 50 m backstroke (long course) record between 7 July 2003 to 2 April 2008 with a time of 24.80 s. With a time of 54.16 over 100 m backstroke (second behind Helge Meeuw) Thomas Rupprath managed to qualify for the Olympic Games in Beijing.

He also won the 100 m butterfly at the German trials.