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 no razor shall come on his head, until the days are fulfilled, in which he separates himself to Yahweh. He shall be holy. He shall let the locks of the hair of his head grow long.
Leviticus 21:5-24
"'They shall not shave their heads, neither shall they shave off the corners of their beards, nor make any cuttings in their flesh.
Deuteronomy 14:1
You are the children of Yahweh your God: you shall not cut yourselves, nor make any baldness between your eyes for the dead.
1 Corinthians 11:14
Doesn't even nature itself teach you that if a man has long hair, it is a dishonor to him?