The record of the maximum number of wins in this category is with Amitabh Bachchan having won the award 4 times (2002, 2006, 2016 & 2021), then Manoj Bajpai 3 times (1999, 2000 & 2017), followed by four actors (in chronological order): Shahrukh Khan (1994 & 2001), Ranbir Kapoor (2010 & 2012), Rajkummar Rao (2014 & 2018) and Ayushmann Khurrana (2019 & 2020).
(Between 1991 and 1992, there was one special category known as the Outstanding Performance In A Non-Commercial Film, and was awarded without prior nomination to acknowledge an actor of either sex.)
(From 1993 until 1997, there was one special category known as the Critics Award for Best Performance, and was awarded without prior nomination to acknowledge an actor of either sex.)