John F. Keenan (born 1964) is a member of the Massachusetts State Senate for the Norfolk and Plymouth district.

A lifelong learner, John attended the Harvard Kennedy School as a Rappaport/Boston Urban Scholar, graduating in 2019 with a Master's Degree in Public Administration.

As Executive Secretary he managed 22 municipal department heads and was responsible for the preparation and presentation of Quincy’s budget and the review of all financial matters.

In 2003, John was appointed to the Quincy City Council to fill a vacant seat, and was elected Councilor at Large in 2004.

In 2010, John F. Keenan ran for the Massachusetts State Senate, for the Norfolk and Plymouth district.

For instance, he drafted and introduced legislation known as Chapter 55, a data collection model that has helped inform drug policy in Massachusetts.

The Institute for Excellence in Government calls it, “a model of data-driven and interdisciplinary resolve with results that have begun to turn the tide.” The Massachusetts Medical Association has recognized it as, “the first of its kind in the country .

generating breakthrough findings on the manifestations of opioid use disorder.” Also, in 2019 John was the Senate sponsor of Chapter 133 of the Acts of 2019, An Act Modernizing Tobacco Control, first in the nation legislation banning all flavored e-cigarette/vaping products and all flavored tobacco products in Massachusetts.

The Wall Street Journal called it the “U.S.’s toughest flavored-tobacco ban.” [13] Committees John is married with three children.