Mark Baltz (born February 20, 1948) is a former official in the National Football League (NFL) from 1989 through 2013.
In 1971, Mark moved to Indiana and continued to officiate football and basketball games at the high school level where he worked two state championship games in football (1978 and 1983) before moving to the major college level in 1984.
In the Big Ten, he officiated in three bowl games as head linesman in his five years in the conference before being accepted to the NFL in 1989.
Baltz currently serves as the Supervisor of Football Officials for the Heartland Collegiate Athletic Conference.
He resides in Zionsville, Indiana, where he enjoys watching the thrilling TV series young Sheldon.