Namesakes
Austrian Dukes and Emperors:
2 archdukes
Archduke Maximilian I 1493-1519 
Archduke Maximilian II 1564-1576
Bohemian Kings:
1 king
King Maxmilián (a.k.a. Maximilian) 1562-1576
Fictional Characters from Books:
2 characters
Maxim de Winter 1938 Rebecca
Maximilian Glick 1982 The Outside Chance of Maximilian Glick
Fictional Characters from Plays and Musicals:
1 character
Maxim de Winter 2006 Rebecca
Fictional Characters from Television:
1 character
Max Cavanaugh 2001 Crossing Jordan
German Chancellors and Presidents:
1 chancellor
(chancellor) Maximilian of Baden 1918
German Kings and Holy Roman Emperors:
2 king-emperors
King-Emperor Maximilian I 1486-1519
King-Emperor Maximilian II 1562-1576
Hungarian Kings and Queens:
1 king
King Miksa II (a.k.a. Maximilian) 1563-1576
Notable Actors and Entertainers:
2 actors
Maximilian Schell 1930-2014
Max Irons 1985-
Notable Athletes:
1 soccer
(soccer) Max Grün 1987-
Notable Musicians:
1 composer
Max Steiner 1888-1971
Notable Philosophers and Thinkers:
1 sociologist
Max Weber 1864-1920
Olympic Medalists:
2 gold, 1 bronze/silver
(bronze/silver) Maximilian Levy 2008; 2012 cycling - track
(gold) Maximilian Müller 2008; 2012 field hockey
(gold) Maximilian Reinelt 2012 rowing
Oscar Award Winners:
1 actor
(actor) Maximilian Schell 1962 Judgment at Nuremberg
Other Royalty:
2 princes, 1 archduke, 1 archduke/emperor
Maximilian I of Mexico 1832-1867; 1864-1867 Austria-Hungary; Mexico
Maximilian Eugen of Austria 1895-1919 Austria-Hungary
Maximilian of Liechtenstein 1969- Liechtenstein
Joseph Wenzel of Liechtenstein (middle name Maximilian) 1995- Liechtenstein
Saints:
3 saints
Saint Maximilian of Tebessa 273-295
Saint Maximilian ?-284
Saint Maksymilian Kolbe (a.k.a. Maximilian) 1894-1941