Manjack may refer to:
Manjack language, the language of the Manjacks Manjack people, an ethnic group in Guinea-Bissau and Senegal Pink manjack (Tabebuia heterophylla), a tree of the Caribbean islands A number of Cordia species of shrubs and trees Manjack, a town in Montserrat Manjack Cay, one of the Abaco Islands in the Bahamas Manjack, manjak, or glance pitch, a brittle form of graphite-matrix bitumen found in the Scotland District of Barbados and in Vistabella, Trinidad Joseph Manjack (born 2002), American football player
See also Man Jack, an every-man in the phrase "every man Jack" Manjak (disambiguation)