Caulfield or Caulfeild is a surname of several separate origins. The name is usually a simplified form of a number of Gaelic surnames, often MacCathmhaoil. Caulfield is also the name of a prominent Anglo-Irish family. People with this surname include:
Annie Caulfield, authorBilly Caulfield, English footballerElizabeth Jane Caulfeild, Countess of Charlemont, wife of the 3rd Earl of CharlemontEmma Caulfield, actress in Buffy the Vampire SlayerFrancis William Caulfeild, 2nd Earl of Charlemont (1775–1863)Frank J. Caufield, founder of venture capital firm Kleiner Perkins Caufield & ByersHenry S. Caulfield, former Governor of MissouriJames Caulfeild, 1st Earl of Charlemont (1728–1799)James Caulfeild, 3rd Earl of Charlemont (1820–1892)Jay Caufield, former NHL right wingerJo Caulfield, British comedianJoan Caulfield, American post-World War II actressJohn Caulfeild (1661–1707), son of William CaulfeildJohn Joseph Caulfield, American major league baseball playerJoseph Caulfield James, tutor to Prince Vajiravudh of ThailandMaxine Caulfield, main character of the video game Life Is StrangeMaxwell Caulfield, actorPatrick Caulfield, British artistThomas J. Caulfield, American architectWilliam Caulfeild, 1st Viscount Charlemont (1624–1671)William Caulfeild, 2nd Viscount Charlemont (c.1655–1726)