People with the name Leonardo include:
- Leonardo Araújo, Brazilian football player (b. 1969)
- Leonardo Augusto Vieira Moreira, Brazilian football player (b. 1986)
- Leonardo Cimino, American actor
- Leonardo Da Vinci, Italian Renaissance painter, scientist, mathemetician, inventor and sculptor.
- Leonardo DiCaprio, American actor
- Leonardo Fibonacci, Italian mathemetician. Better known as Fibonacci. Also known as Leonardo Pisano and Leonardo of Pisa.
- Leonardo Ponzio, Argentine footballer
- Leonardo Santiago, Brazilian footballer (b. 1983). Commonly just referred to just as Leonardo.