Namesakes
Australian Prime Ministers:
1 prime minister
John Curtin (middle name Ambrose) 1941-1945 
Notable Actors and Entertainers:
1 actor, 1 model
Charles Bickford (middle name Ambrose) 1891-1967
Ambrose Olsen 1985-2010
Notable Athletes:
1 soccer
(soccer) Efe Ambrose (middle name Ambrose) 1988-
Notable Military Figures:
1 general
Ambrose Burnside 1824-1881
Notable Writers:
1 author
Ambrose Bierce 1842-c. 1914
Olympic Medalists:
1 gold
(gold) Ambrose Gaines IV 1984 swimming - 100 m freestyle; swimming - 4x100 m freestyle relay; swimming - 4x100 m medley relay
Saints:
6 saints, 5 blessed
Saint Ambrose 340-397
Saint Ambrose ?-752
Saint Ambrose Autpert ?-778
Blessed Ambrose of Siena 1220-1286
Blessed Ambrose de Massa ?-1240
Blessed Ambrogio Traversari (a.k.a. Ambrose) 1386-1439
Blessed Ambrosio Fernandez (a.k.a. Ambrose) 1551-1620
Saint Ambrose Edward Barlow 1585-1641
Blessed Ambrosio Francisco Ferro (a.k.a. Ambrose) ?-1645
Saint Ambrosi of Georgia (a.k.a. Ambrose) 1861-1927
Saint Ambrose Kibuka ?-1886