Verses with the word ishmaelites in the Old Testament (2 verses):

Judges 8:24
And Gideon said unto them, I would desire a request of you, that ye would give me every man the earrings of his prey. (For they had golden earrings, because they were Ishmaelites.)

Psalms 83:6
The tabernacles of Edom, and the Ishmaelites; of Moab, and the Hagarenes;