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"To whom" is a phrase which is often translated as "a quien", and "who" is a pronoun which is often translated as "quién". Learn more about the difference between "to whom" and "who" below.
to whom(
tuh
hum
)A phrase is a group of words commonly used together (e.g., once upon a time).
1. (general)
a. a quien (singular)
Do you remember to whom we gave our coats when we came in?¿Te acuerdas a quien le dimos nuestros abrigos cuándo llegamos?
who(
hu
)A pronoun is a word that stands in for a noun (e.g., she).
a. quién
Hello? Who is calling?¿Hola? ¿Quién llama?
I don't know who he is, but he looks a lot like my brother.No sé quién es, pero se parece mucho a mi hermano.
2. (relative)