Henry Allan 'Al' Gleason Jr. (April 18, 1917 – January 13, 2007) was a linguist and Professor Emeritus at the University of Toronto.

Gleason began studying at Hartford Seminary in 1938 and received his PhD in 1946.

[1] His 1961 text "Introduction to Descriptive Linguistics" (with an accompanying workbook)[2] was described in the journal Language as a suitable update to Leonard Bloomfield's well-known textbook Language.

[4] Gleason was a member of the American Bible Society,[2] and a pastor in Fancy Gap, Virginia.

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