[2] Primary elections for governor and lieutenant governor were conducted separately on September 9, 2014, with the Democrats nominating Massachusetts Attorney General Martha Coakley and former CEO of the Democratic National Convention Steve Kerrigan, and the Republicans nominating former state cabinet secretary and 2010 gubernatorial nominee Charlie Baker and former state representative Karyn Polito.

[5] Incumbent Democratic attorney general Martha Coakley was eligible to run for re-election to a third term in office, but she instead ran for governor.

[10] Former state senator Warren Tolman and former Assistant Attorney General Maura Healey[11][12] ran for the Democratic nomination.

[14] Bold denotes candidate met the minimum threshold of 15 percent to appear on the primary ballot Attorney John Miller was the only Republican to file to run for the office.

Bold denotes candidate met the minimum threshold of 15 percent to appear on the primary ballot Businessman Mike Heffernan was the only Republican to file to run.