Ezekiel 44:20
Neither shall they shave their heads, nor allow their locks to grow long. They shall only cut off the hair of their heads.
Numbers 6:5
All the days of his vow of separation there shall no razor come upon his head. Until the days be fulfilled, in which he separates himself to LORD, he shall be holy. He shall let the locks of the hair of his head grow long.
Leviticus 21:5-24
They shall not make baldness upon their head, neither shall they shave off the corner of their beard, nor make any cuttings in their flesh.
Deuteronomy 14:1
Ye are the sons of LORD your God. Ye shall not cut yourselves, nor make any baldness between your eyes for the dead.
1 Corinthians 11:14
Or does not nature itself teach you that if a man actually wears long hair it is a disgrace to him?