John Brecken (died March 6, 1827) was an English-born United Empire Loyalist, merchant and political figure. He was a member of the Legislative Assembly of Prince Edward Island from 1785 to 1787.
He came to Charlottetown from Shelburne, Nova Scotia in 1784 with his wife, Ann Wake, and established a business there. He returned to England some time before 1826 and died there in 1827.
His son Ralph and his grandson John Brecken also served in the colony's assembly.