Gardner is a surname of English origin that derives from the occupation of a gardener or horticulturist. The name is found throughout English-speaking countries, and variations include Gardiner and Garden. Famous people with the surname Gardner include Ava Gardner, an American actress, and John Gardner, an English author. The name also appears in literature, such as in the character of Professor Albus Dumbledore’s loyal and brave Gryffindor student, Neville Longbottom, in J.K. Rowling’s Harry Potter series.