Ezekiel 44:20
Neither shall they shave their heads, nor suffer their locks to grow long; they shall only poll their heads.
Numbers 6:5
All the days of the vow of his separation there shall no razor come upon his head: until the days shall be fulfilled, in which he separateth himself to the LORD, he shall be holy, and shall let the locks of the hair of his head grow.
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 children of the LORD your God: ye shall not cut yourselves, nor make any baldness between your eyes for the dead.
1 Corinthians 11:14
Doth not even nature itself teach you, that if a man hath long hair, it is a shame to him?