Diego Cuéllar
Diego Cuéllar is the name of the following people:
- Diego Cuéllar (soccer player, 1986) (* 1986), Chilean soccer player
- Diego Cuéllar (soccer player, 1990) (* 1990), Salvadoran soccer goalkeeper
- Diego Cuéllar (chess player) (* 1997), Peruvian chess player
- Diego Velázquez de Cuéllar (1465–1524), Spanish conqueror