Namesakes
Danish Kings and Queens:
2 kings
King Oluf I Hunger 1086-1095 
King Oluf II 1376-1387
Danish Prime Ministers:
1 prime minister
Poul Nyrup Rasmussen (a.k.a. Oluf) 1993-2001
Norwegian Kings and Queens:
1 king
King Olav IV (a.k.a. Oluf) 1380-1387