The name Quentin is a boy's name of Latin origin meaning "fifth". Quentin is ranked #539 on our popularity charts and is often added to lists like Unique Boy Names: Unusual and Rare and discussed in our forums with posts like "A brother or sister for little Jack or Olivia".
From the experts:
Quentin, an offbeat name with lots of character, relates to the Latin for the number five and is by far the subtlest and most usable of the Latin birth-order names, masculine as well as stylish and distinctive. It was borne by a third-century saint and came to England with the Normans.
Sir Walter Scott wrote the novel Quentin Durward in 1823, about a young, upper-class Scotsman, and Quentin Compson is both a male and a female character in William Faulkner's The Sound and the Fury. Real-life bearers include movie director Quentin Tarantino; eccentric British author Quentin Crisp (born Denis); and Quentin Blake, illustrator of Roald Dahl books. Theodore Roosevelt had a son named Quentin.
Trivia tidbit: St. Quentin is the protector against coughs.