Here are many Bible verses about friends.

A man of many companions may come to ruin, but there is a friend who sticks closer than a brother.- Proverbs 18:24

Greater love has no one than this, that someone lay down his life for his friends.- John 15:13

Iron sharpens iron, and one man sharpens another.- Proverbs 27:17

A friend loves at all times, and a brother is born for adversity.- Proverbs 17:17

Two are better than one, because they have a good reward for their toil. For if they fall, one will lift up his fellow. But woe to him who is alone when he falls and has not another to lift him up! Again, if two lie together, they keep warm, but how can one keep warm alone? And though a man might prevail against one who is alone, two will withstand him—a threefold cord is not quickly broken.- Ecclesiastes 4:9-12

Therefore encourage one another and build one another up, just as you are doing.- 1 Thessalonians 5:11

Beloved, let us love one another, for love is from God, and whoever loves has been born of God and knows God.- 1 John 4:7

A Song of Ascents. Of David. Behold, how good and pleasant it is when brothers dwell in unity!- Psalm 133:1

Love one another with brotherly affection. Outdo one another in showing honor.- Romans 12:10

Bear one another’s burdens, and so fulfill the law of Christ.- Galatians 6:2

I thank my God in all my remembrance of you, always in every prayer of mine for you all making my prayer with joy,- Philippians 1:3-4