Dubbeldam may refer to:

• Dubbeldam, a former town in the Netherlands that merged into Dordrecht in 1970
• Jeroen Dubbeldam (born 1973), Dutch equestrian, Olympic Champion
• Ellen Dubbeldam-Kuipers (born 1971), Dutch hockey player, Olympic Bronze medalist
• Winka Dubbeldam (born 1966), Dutch-born American architect

• Richard Lindley
• Richard Lindley (footballer)
• Richard Lingard
• Richard Lingenfelter
• Richard Linton (politician)
• Richard Lioger
• Richard Lippi
• Richard Li Tzar-kai
• Richard Lizurey
• Richard L. Kauffman
• Richard L. Lacke
• Richard L. Lackey
• Richard L. Landau
• Richard Lloyd (Cardigan)
• Richard Lloyd George
• Richard Lloyd George, 2nd Earl Lloyd-George of Dwyfor
• Richard L. Menschel
• Richard L. Morris
• Richard Lockhart
• Richard Locksley
• Richard Lockwood Boulton
• Richard Lockwood (politician)
• Richard Locqueville
• Richard Long, 3rd Viscount Long
• Richard Longmore