Author of the Book of Proverbs

The book of Proverbs not only names Solomon as the author in the very first verse, but there are other verses that indicate that Solomon was the person responsible for the Proverbs (Proverbs 10:1; Proverbs 25:1). The book of Kings indicates that Solomon was blessed with wisdom from God (1 Kings 4:29), he was a man of humility (1 Kings 3:7), and a great diplomat (1 Kings 3:16-28; 1 Kings 5:12) to such an extent that people came from all over the world to hear his wisdom (1 Kings 4:30; 1 Kings 10:1-13). The book of Kings also indicates that Solomon wrote over 3000 proverbs (1 Kings 4:32), and this is many more than the book of Proverbs contains.

Link: https://bible-history.com/old-testament/bookofproverbs