Leonard Joseph Whitehouse (born September 10, 1957) is a retired Major League Baseball player who pitched in relief for the Texas Rangers in 1981 and for the Minnesota Twins from 1983 to 1985.

After attending a tryout for the Pittsburgh Pirates in Maine, he was invited to participate in the Florida Instructional League in 1976.

[1] He signed a contract with the Texas Rangers on Christmas afternoon 1976 at Burlington International Airport.

[3] Since 1967, Whitehouse is one of only two Vermont high school baseball players to make it into the Major Leagues.

[5] After his playing career, Whitehouse's endeavors included serving as baseball coach for several Vermont high schools and assistant baseball coach at Saint Michael's College in Colchester, Vermont.