Martin Arnold
Martin Arnold is the name of the following people:
- Martin Arnold (clergyman, 1537) (1537–1606), German pastor and educator
- Martin Arnold (painter) (1906–1967), German painter
- Martin Arnold (journalist) (1929–2013), American journalist
- Martin Arnold (clergyman, 1946) (* 1946), German peace researcher
- Martin Arnold (filmmaker) (* 1959), Austrian filmmaker
- Martin Arnold (composer) (* 1959), Canadian composer
- Martin Arnold (mathematician) (* 1964), German mathematician and university professor