Namesakes
Rudolph Bolger
(m) 
Tolkien's Characters
Rudolf Duke of Burgundy
(a.k.a. Rudolph) (m) ?-936
Frankish and French Kings 923-936
Rudolph
(m) ?-1066
Saints
Rudolf I
(a.k.a. Rudolph) (m) 1218-1291
Austrian Dukes and Emperors 1278-1282
German Kings and Holy Roman Emperors 1273-1291
Rudolf III
(a.k.a. Rudolph) (m) 1281-1307
Austrian Dukes and Emperors 1298-1307
Bohemian Kings (Rudolf I) 1306-1307
Rudolf IV the Founder
(a.k.a. Rudolph) (m) 1339-1365
Austrian Dukes and Emperors 1358-1365
Rodolfo Acquaviva
(a.k.a. Rudolph) (m) 1550-1583
Saints
Rudolf II
(a.k.a. Rudolph) (m) 1552-1612
Austrian Dukes and Emperors 1576-1608
Bohemian Kings 1576-1611
German Kings and Holy Roman Emperors 1575-1612
Hungarian Kings and Queens 1576-1608
Johan Rudolph Thorbecke
(m) 1798-1872
Dutch Prime Ministers 1849-1853; 1862-1866; 1871-1872
Rudolph Valentino
(m) 1895-1926
Notable Actors and Entertainers (actor)
Rudolph Fisher
(m) 1897-1934
Notable Writers
Gerald Ford
(middle name Rudolph) (m) 1913-2006
American Presidents 1974-1977
Rudolph A. Marcus
(m) 1923-
Nobel Prize Winners 1992 (chemistry)
Rudy Lewis
(middle name Rudolph) (m) 1936-1964
Rock and Roll Hall-of-Famers 1988 The Drifters
Rudolph Isley
(m) 1939-
Rock and Roll Hall-of-Famers 1992 The Isley Brothers
Rudy Tomjanovich
(m) 1948-
Hall-of-Famers 2020 (basketball)