Andrei Radzionau (Belarusian: ?????? ????????? born June 16, 1985 in Minsk) is a Belarusian swimmer, who specialized in sprint freestyle events.
Radzionau is also a varsity swimmer for the Louisville Cardinals, who graduated with a bachelor of arts in environmental analysis from University of Louisville in Louisville, Kentucky.
Radzionau qualified for the men's 50 m freestyle at the 2008 Summer Olympics in Beijing, by establishing a new Belarusian record and clearing a FINA B-standard entry time of 22.72 from the national championships in his hometown Minsk.
He challenged seven other swimmers on the ninth heat, including three-time Olympian Camilo Becerra of Colombia.
Radzionau edged out Filipino-American tanker and Florida-based resident Daniel Coakley to take the fifth spot by four hundredths of a second (0.04), posting his personal best of 22.65.
Radzionau placed twenty-sixth out of 97 swimmers in the preliminaries.