Grantley \g-rant-ley, gr(an)-tley\ as a boy's name is a variant of Grant (English, Gaelic) and Grantland (Old English), and the meaning of Grantley is "tall, big; the large fields".

The baby name Grantley sounds like Grantly, Grantham and Grantleigh. Other similar baby names are Brantley, Brentley and Cranley.