Jeffrey B. Clement (born August 21, 1983 in Marshalltown, Iowa) is a Major League Baseball first baseman for the Pittsburgh Pirates. Clement was the Seattle Mariners' first round draft pick (third overall) in the 2005 Major League Baseball Draft.
Clement was born and raised in Marshalltown, Iowa. As a twelve year old, Clement led the 1996 Marshalltown team to the Little League World Series.
At Marshalltown High School, he broke the national high school home run record, formerly held by Drew Henson. He finished his high school career with 75 home runs. Clement led his high school team as a catcher/pitcher to the Iowa 4-A State Championship game in his senior year (2002). Clement was featured in the September 16, 2002, issue of Sports Illustrated as part of the "For the Love of the Game" article. Out of high school, Clement was drafted in the 12th round by the Minnesota Twins (362nd overall) due to a poor performance at a pre-draft showcase, but did not sign.