David M. Nangle (born December 18, 1960) is an American politician who served in the Massachusetts House of Representatives from 1999 to 2020.

[4] Nangle was first elected to represent the 18th Middlesex district in 1998 defeating Republican Karen Simao with 60.9% of the vote.

In November 2020, Nangle lost the 2020 Democratic primary election for the 17th Middlesex District to Vanna Howard.

[7] On February 18, 2020, Nangle was arrested by both the FBI and IRS on federal charges alleging that he raided his campaign account to pay for personal expenses and sustain a gambling habit at various casinos around the New England area.

[8] According to the federal indictment, "NANGLE illicitly used campaign funds to, among other things: (i) pay for personal expenses (ii) defraud his bank lender, and (iii) collect income that he failed to report to the Internal Revenue Service.