Golay may refer to:

• Jeanne Golay (born 1962), bicycle professional
• Helen Golay (born 1931), American woman who murdered two homeless men for life insurance money
• Marcel J. E. Golay (1902–1989), mathematician, physicist and information theorist
• Dolphy (1928-2012), Filipino actor and comedian, used Golay as his screen name in 1944.

Several devices and systems were named after Marcel J. E. Golay:

• Golay cell, a detector for infrared spectroscopy
• Savitzky–Golay filter, a signal processing filter
• Binary Golay code, an error-correcting code
• Ternary Golay code, an error-correcting code

Places:

• Golay, Kutch, a village in Kutch, Gujarat, India