| Roland Losert | |
| Birth Date: | 6 January 1945 |
| Birth Place: | Vienna, Nazi Germany (now Austria) |
| Height: | 1.85m (06.07feet) |
| Weight: | 79kg (174lb) |
| Sport: | Fencing |
| Club: | Wiener Sport-Club |
| Show-Medals: | yes |
Roland Losert (born 6 January 1945) is a retired Austrian fencer who won the world title in épée in 1963. He also won junior world titles in épée (1963) and foil (1964 and 1965). Losert competed at the 1964, 1968 and 1972 Summer Olympics in the individual foil and individual and team épée events (nine in total). His best achievement was fourth place in the foil in 1964.
His father Josef and sister Ingrid were also successful fencers.