Namesakes
Dan Brouthers
(a.k.a. Dennis) (m) 1858-1932 
Hall-of-Famers 1945 (baseball)
Notable Athletes (baseball)
Dave Wilson
(middle name Dennis) (m) 1960-
Olympic Medalists 1984 swimming - 100 m backstroke (silver)
Dennis
(m)
Shakespearian Characters As You Like It
Dennis the Menace
(m)
Other Fictional Characters 1951 comic strip
Dennis
(m)
Hurricanes and Tropical Storms 1981 (hurricane)
Dennis
(m)
Hurricanes and Tropical Storms 1987 (storm)
Dennis
(m)
Hurricanes and Tropical Storms 1993 (storm)
Dennis
(m)
Hurricanes and Tropical Storms 1999 (hurricane)
Dennis
(m)
Hurricanes and Tropical Storms 2005 (hurricane)
Dennis Banks
(m) 1937-2017
Notable Activists and Revolutionaries
Dennis Bergkamp
(m) 1969-
Notable Athletes (soccer)
Dennis Blake
(m) 1970-
Olympic Medalists 1996 4x400 m relay (bronze)
Dennis Boutsikaris
(m) 1952-
Notable Actors and Entertainers (actor)
Dennis Creevey
(m)
Harry Potter Characters
Dennis Dunaway
(m) 1946-
Rock and Roll Hall-of-Famers 2011 Alice Cooper
Dennis Eckersley
(m) 1954-
Hall-of-Famers 2004 (baseball)
Most Valuable Players 1992 baseball
Notable Athletes (baseball)
Dennis Edwards
(m) 1943-2018
Notable Musicians
Rock and Roll Hall-of-Famers 1989 The Temptations
D. J. Enright
(a.k.a. Dennis) (m) 1920-2002
Notable Writers
Dennis Farina
(m) 1944-2013
Notable Actors and Entertainers (actor)
Dennis Finch
(m)
Fictional Characters from Television 1997 Just Shoot Me!
Dennis Franz
(m) 1944-
Emmy Award Winners 1994; 1996; 1997; 1999 NYPD Blue (actor)
Notable Actors and Entertainers (actor)
Dennis Gabor
(m) 1900-1979
Nobel Prize Winners 1971 (physics)
Notable Scientists and Inventors
Dennis Haysbert
(m) 1954-
Notable Actors and Entertainers (actor)
Dennis Hopper
(m) 1936-2010
Notable Actors and Entertainers (actor)
Dennis Johnson
(m) 1954-2007
Hall-of-Famers 2010 (basketball)
Notable Athletes (basketball)
Dennis Klinsmann
(m)
Fictional Characters from Television 1994 Heartbreak High
Dennis Miller
(m) 1953-
Notable Actors and Entertainers (comedian)
Dennis Mitchell
(m) 1966-
Olympic Medalists 1992; 1996 100 m; 4x100 m relay (bronze/gold/silver)
Dennis Morgan
(m) 1908-1994
Notable Actors and Entertainers (actor)
Dennis O'Keefe
(m) 1908-1968
Notable Actors and Entertainers (actor)
Dennis Quaid
(m) 1954-
Notable Actors and Entertainers (actor)
Dennis Reynolds
(m)
Fictional Characters from Television 2005 It's Always Sunny in Philadelphia
Dennis Ritchie
(m) 1941-2011
Notable Scientists and Inventors
Dennis Rodman
(m) 1961-
Hall-of-Famers 2011 (basketball)
Notable Athletes (basketball)
Dennis van der Geest
(m) 1975-
Olympic Medalists 2004 judo (bronze)
Dennis Waterman
(m) 1948-2022
Notable Actors and Entertainers (actor)
Dennis Weaver
(m) 1924-2006
Notable Actors and Entertainers (actor)
Dennis Wilson
(m) 1944-1983
Rock and Roll Hall-of-Famers 1988 The Beach Boys
Denny Doherty
(m) 1940-2007
Rock and Roll Hall-of-Famers 1998 The Mamas & the Papas
Denny McLain
(m) 1944-
Most Valuable Players 1968 baseball
Dick Hanley
(middle name Dennis) (m) 1936-2022
Olympic Medalists 1956 swimming - 4x200 m freestyle relay (silver)
Dionysius Fugishima
(a.k.a. Dennis) (m) ?-1622
Saints
Robert Crumb
(middle name Dennis) (m) 1943-
Notable Artists
William Gargan
(middle name Dennis) (m) 1905-1979
Notable Actors and Entertainers (actor)