Leviticus 18:23

18:23 You must not have sexual intercourse with any animal to become defiled with it, and a woman must not stand before an animal to have sexual intercourse with it; it is a perversion.

Exodus 22:19

22:19 “Whoever has sexual relations with a beast must surely be put to death.

Deuteronomy 27:21

27:21 ‘Cursed is the one who commits bestiality.’ Then all the people will say, ‘Amen!’