Carolus (coin)
Carolus is the name given to a number of gold coins:
- a coin struck during the reign of Charles I of England. It was originally valued at 20 shillings, but later 23.
- the Carolusgulden first minted by Charles V (Holy Roman Empire) in 1517, see Dutch Guilder#History
- the Carolus dollar, a Spanish-American peso or piece of eight issued by Charles III and Charles IV of Spain.