2004 - Nominated in the Daytime Emmy Awards for  Outstanding Performer in an Animated Program for Clifford the Big Red Dog 
2003 - Nominated in the DVD Premiere Awards for Best Audio Commentary, Library Release for High Noon 
2003 - Nominated in the Daytime Emmy Awards for Outstanding Performer in an Animated Program for Clifford the Big Red Dog 
2002 - Nominated in the Daytime Emmy Awards for Outstanding Performer in an Animated Program for Clifford the Big Red Dog 
2001 - Nominated in the Daytime Emmy Awards for Outstanding Performer in an Animated Program for Clifford the Big Red Dog 
1999 -  Nominated in the Emmy Awards for Outstanding Guest Actor in a Comedy Series for Ally McBeal 
1997 - Nominated in the Screen Actors Guild Awards for Outstanding Performance by a Cast for Sling Blade 
1988 - Nominated in the Emmy Awards for Outstanding Lead Actor in a Comedy Series for Hooperman 
1988 - Nominated in the Golden Glovbe Awards for Best Performance by an Actor in a TV-Series - Comedy/Musical for Hooperman 
1987 - Nominated in the Golden Globe Awards for Best Performance by an Actor in a Mini-Series or Motion Picture Made for TV for Unnatural Causes 
1984 - Winner of the Emmy Award for Outstanding Lead Actor in a Comedy Series for Three's Company 
1984 - Winner of the Golden Globe Award for Best Performance by an Actor in a TV-Series - Comedy/Musical for Three's Company
1983 - John Ritter has a star on the Walk of Fame at 6627 Hollywood Blvd
1981 - Nominated in the Emmy Awards for Outstanding Lead Actor in a Comedy Series for Three's Company
1980 - Nominated in the Golden Globe Awards for Best TV Actor - Musical/Comedy for Three's Company 
1979 - Nominated in the Golden Globe Awards for Best TV Actor - Musical/Comedy for Three's Company 
1978 - Nominated in the Emmy Awards for Outstanding Lead Actor in a Comedy Series for Three's Company