Katherine May "Katie" Smith (born June 4, 1974) is an American professional basketball player in the WNBA. Her primary position is shooting guard, although she sometimes plays small forward or point guard.

Smith was born in Lancaster, Ohio and spent her formative years in Logan, Ohio. She grew up in a family of student-athletes. Her brother John Smith won a national championship in 1993 as the center for Mount Union. She began playing basketball as early as the 5th grade on a boys' team and took tap dance and ballet lessons as a youngster.

In high school she was named the national Gatorade National Player of the Year during her senior year as she guided the Lady Chieftains to the Division I Ohio Girls' Basketball state championship game. Smith was named a High School All-American by the WBCA. She participated in the inaugural WBCA High School All-America Game in 1992, scoring fourteen points, and earning MVP honors.