Gaultier (French: [gotje]) may refer to:
- Grégory Gaultier (born 1982), French squash player
- Bon Gaultier, British writer
- Denis Gaultier (1597 or 1602/3–1672), French lutenist and composer
- Ennemond Gaultier (c.1575–1651), French lutenist and composer
- Jacques Gaultier (c.1600–1652), French lutenist
- Jean-Jacques Gaultier (born 1963), member of the National Assembly of France
- Jean Paul Gaultier (born 1952), French fashion designer
- Jules de Gaultier (1858–1942), French philosopher
- Pierre Gaultier (c. 1599–1681), French scholar, lutenist and composer
- Pierre Gaultier de Varennes, sieur de La Vérendrye (1685–1749), French Canadian military officer, fur trader and explorer
- Walter of Pontoise (c.1030–c.1099), French saint, also known as Gaultier
- Léon Gaultier (1915–1997), French collaborator
- Léonard Gaultier (1561–1641), French engraver
- Gaultier (barony), a barony in County Waterford, Republic of Ireland
- Gaultier GAA, a Gaelic Athletic Association club in Dunmore East, County Waterford, Ireland