| Position: | Defence |
| Shoots: | Left |
| Height Ft: | 5 |
| Height In: | 10 |
| Weight Lb: | 178 |
| Played For: | CZK Extraliga HC Slovan Bratislava WHA Edmonton Oilers SUI Nat B HC Ambrì-Piotta |
| Ntl Team: | Czechoslovakia |
| Birth Date: | April 17, 1948 |
| Birth Place: | Bratislava, Czechoslovakia |
| Death Place: | Bratislava, Slovakia |
| Career Start: | 1970 |
| Career End: | 1986 |
Rudolf "Rudy" Tajcnár (April 17, 1948 - August 2, 2005) was a Slovak ice hockey player who played for the Czechoslovak national team. He won a bronze medal at the 1972 Winter Olympics.[1]
Tajcnár played two games in the World Hockey Association with the Edmonton Oilers during the 1978–79 season.[2]