God of Justice includes a Hebrew word that is part of the family of words that includes judge, judgment, and justice. In Hebrew, judges did more than make legal decisions and pass sentences, they embodied law and justice. And that is what God does: He sets the standard of right and wrong, He administers discipline and punishment, and He corrects injustices.
God of Justice in Hebrew:
Strong’s Concordance numbers: 430, 4941
Bible references: Ps. 50:6 (NIV); Isa. 30:18; Mal. 2:17
Therefore the Lord longs to be gracious to you,
And therefore He waits on high to have compassion on you.
For the Lord is a God of justice;
How blessed are all those who long for Him. (Isaiah 30:18)
The KJV calls Him the God of judgment in these verses and the NASB says that God is a judge.