Verses with the word queens in the Old Testament (3 verses):

Canticles 6:8
There are threescore queens, and fourscore concubines, and virgins without number.

Canticles 6:9
My dove, my undefiled is but one; she is the only one of her mother, she is the choice one of her that bare her. The daughters saw her, and blessed her; yea, the queens and the concubines, and they praised her.

Isaiah 49:23
And kings shall be thy nursing fathers, and their queens thy nursing mothers: they shall bow down to thee with their face toward the earth, and lick up the dust of thy feet; and thou shalt know that I am the LORD: for they shall not be ashamed that wait for me.