Matthew Michael Hasselbeck (born September 25, 1975) is a National Football League quarterback for the Tennessee Titans. He was drafted by the Green Bay Packers in the sixth round of the 1998 NFL Draft, and traded to Seattle in 2001. After becoming the starter in 2003, Hasselbeck led Seattle to six playoff appearances and a Super Bowl appearance while being selected to three Pro Bowls.

Hasselbeck is the son of Betsey and Don Hasselbeck (a former New England Patriots tight end). Matt and younger brothers Tim and Nathanael grew up in Norfolk, Massachusetts, U.S., and attended Xaverian Brothers High School in Westwood. He was selected as an honorable mention All-American by USA Today as a high school senior.

Hasselbeck spent one semester at the California Maritime Academy in Vallejo, California before transferring to Boston College near his family's hometown. He played for the Boston College Eagles football team from 1994 through 1997, including two years with his younger brother Tim. Hasselbeck finished his college career as the team's starting quarterback (a position his brother Tim would later hold with the Eagles). He graduated with a degree in marketing and finance .