Halladay Explained

Halladay is an English and Scottish surname which may refer to:

• Daniel Halladay (1826–1916), American engineer, inventor and businessman
• Howard Hadden Halladay (1876–1952), Canadian politician
• Roy Halladay (1977–2017), American baseball player

See also

• Halladay (automobile), a defunct American automobile manufacturing company founded in 1905
• Halladay Farmhouse, Duanesburg, New York, on the National Register of Historic Places
• Halliday, a list of people with the surname Halliday or Haliday