Ľubomír Višňovský (Slovak pronunciation: ; born August 11, 1976 in Topoľčany, Czechoslovakia), is a Slovakian professional ice hockey defenceman with the Edmonton Oilers of the National Hockey League (NHL).

Prior to joining the NHL, Višňovský played with Slovan Bratislava. His play attracted the attention of the NHL and he was drafted 118th overall in the 2000 NHL Entry Draft by the Los Angeles Kings as their 4th choice. He made the team for the 2000–01 season and was named to the NHL All-Rookie Team after a 39-point campaign, tops among rookie defencemen. Višňovský remained with the Kings for seven seasons, recording a career-high 67 points in 2005–06.

Višňovský returned to play in his home country for the locked out 2004–05 season and was voted best player in Slovakia.