Oliver Heaviside (1850–1925) was a mathematician and physicist.

Heaviside may also refer to:

Science[edit]

• Heaviside step function
• Heaviside cover-up method
• Heaviside condition
• Heaviside layer or Kennelly–Heaviside layer
• Heaviside (lunar crater)
• Heaviside (Martian crater)
• Heaviside's dolphin, named in honour of 19th-century mariner Captain Haviside (also spelled Heaviside)

People[edit]

• John Heaviside Clark (c. 1771–1836), Scottish artist
• John Heaviside (footballer) (born 1943), English footballer
• Michael Heaviside (1880–1939), Victoria Cross recipient

Others[edit]

• Heaviside, an electric-powered aircraft under development by the Kitty Hawk Corporation