What is it called when you have a high pitched voice?

It is called alto such as the spanish Word alto meanign tall which gives you the idea ohf the voice being high pitched. I hope that helped alot! =)

Soprano is the highest human voice in women and children, medium female/child voice is a mezzo-soprano. Alto, though it means "high" or "tall" in Spanish and Italian, is actually the low voice in women and children. In Opera, this voice is referred to as a contralto.

For a male, Countertenor is a one of the highest ranges, but Falsetto is a higher pitched vocal range than can allow people to go above their regular talking vocal range, usually used in singing