The most common way to say "hungry" in Spanish is "tengo hambre," which literally translates to "I have hunger" but is used to mean "I am hungry." Other ways to say it include "estoy hambriento" (I'm famished) and the informal "me muero de hambre" (I'm starving). The phrase "tengo hambre" uses the verb "tener" (to have) instead of "ser" or "estar" (to be), which is typical for expressing feelings or physical states like hunger in Spanish.