Double canon may refer to:

• Double canon in music, where it refers to a canon with two simultaneous themes
• Double canon in French typography, where it refers to 56-point type

• Roger Heman Jr.
• Roger Heman Sr
• Roger Heman Sr.
• Roger Henrotay
• Roger henrotay
• Roger Henry Hollis
• Roger Heywood
• Roger Highfield
• Roger Hill (died 1608)
• Roger Hill (disambiguation)
• Roger Hindley
• Roger Hinkins
• Roger Hobbes
• Roger Hoggett
• Roger Holzberg
• Roger Honyton
• Roger Houde
• Roger Houdet
• Roger Howlett
• Roger Hoy
• Roger H. Sessions
• Roger Hubert
• Roger Hudson (sailor)
• Roger Huggins
• Roger Hunt Mill