Mark E. Davies (born 1963) is an American linguist. He specializes in corpus linguistics and language variation and change. He is the creator of most of the text corpora from English-Corpora.org (including the Corpus of Contemporary American English/ COCA) as well as the Corpus del español and the Corpus do português. He has also created large datasets of word frequency, collocates, and n-grams data, which have been used by many large companies in the fields of technology and also language learning.