John Kersey the younger (fl. 1720) was an English philologist and lexicographer of the late seventeenth and early eighteenth centuries. He is notable for editing three dictionaries in his lifetime: A New English Dictionary (1702), a revised version of Edward Phillips' The New World of English Words (1706) and the Dictionarium Anglo-Britannicum (1708). As well as being amongst the earliest monolingual English dictionaries, they were also amongst the first to focus on words in common use, rather than on difficult words.