Mark William Ortmann (born June 24, 1986)[1] is a former American football offensive tackle.

He was signed by the Carolina Panthers as an undrafted free agent after the 2010 NFL Draft, and was waived two months later.

[1] During the October 31, 2009 game against the Illinois Fighting Illini he was involved in controversy when a punch he threw to the groin of Corey Liuget who had recovered a fumble became a noted video on YouTube.

Following the season, he was a co-recipient, along with Stephen Schilling, of the Hugh R. Rader Jr. Award as Michigan's top offensive linemen.

[8][9] Ortmann signed as an undrafted free agent with the Atlanta Falcons on August 23, 2010, after Quinn Ojinnaka was traded to the New England Patriots.