Derek M. Wells, QC, (born November 28, 1946) was a member of the House of Commons of Canada from 1993 to 1997. By career, he is a businessman and lawyer.
Wells won the South Shore electoral district for the Liberal party in the 1993 federal election. After serving in the 35th Canadian Parliament, Wells was defeated in the 1997 federal election. He unsuccessfully attempted to return to Parliament in the 2000 federal election.
He also served as President of the Nova Scotia Liberal Party, supporting the provincial form of the party, and is a partner at Hennigar, Wells, Lamey and Baker in Chester.
Wells announced in September 2009, that he would seek the Liberal party nomination for South Shore—St. Margaret's in the 2011 federal election, and won the nomination on 4 October. He finished third.