Ezekiel 44:20
They are not to have all the hair cut off their heads, and they are not to let their hair get long, but they are to have the ends of their hair cut.
Numbers 6:5
All the time he is under his oath let no blade come near his head; till the days while he is separate are ended he is holy and his hair may not be cut.
Leviticus 21:5-24
They are not to have their hair cut off for the dead, or the hair on their chins cut short, or make cuts in their flesh.
Deuteronomy 14:1
You are the children of the Lord your God: you are not to make cuts on your bodies or take off the hair on your brows in honour of the dead;
1 Corinthians 11:14
Does it not seem natural to you that if a man has long hair, it is a cause of shame to him?