the Box Jack the Bulldog, Georgetown University mascot Other Dr. Jack Bright, a character featured in several stories and articles produced for the collaborative fiction project SCP Foundation See also Jack (disambiguation) Jacques Jock (given name) Old Jack (disambiguation), a list of people with the nickname and a few other items References English-language masculine given names English-language feminine given names English masculine given names English feminine given names English-language unisex given names Dutch masculine given names Dutch feminine given names Irish masculine given names Irish feminine given names Hypocorisms