The Spanish word for "cat" is "gato". However, there are other words that can be used to refer to a cat in Spanish, depending on the context and the Spanish-speaking country. Some of these words include "gatito/gatita" (kitty/kitten), "minino/minina" (kitty cat/kitty), "michi" and "morrongo". Its important to note that in Spanish, male and female cats have different names, so "gato" is used for male cats and "gata" for female cats.