Marián Zednikovič (* August 15, 1951, Bratislava - † May 5, 2007, Bratislava) was a Slovak actor.

In 1974 he studied acting at the Academy of Performing Arts. After graduating, he started at the Trnava Theater for Children and Youth (today's Ján Palárik Theater), where he played Nevedek, Tom Sawyer or Chlesťakov in Gogoľ's Auditor. In 1980 he moved to Bratislava for the New Stage.

He was one of the founding members of the Astorka Korzo '90 Theater. For the character of Vojnický in Čechov's play Ujo Váňa, he won the DOSKY award for the best male performance in 1996. In the theatrical performance Obchod na korze, he played the character of Anton Brtek, for which he won the Annual Prize of the Literary Fund in 2000.

He was known for radio, television, dubbing and movies. He has been divorced, he has two adult sons. He died after more than a year of fighting lymph node cancer.