Elihu \e-li-hu\ as a boy's name is pronounced ee-LYE-hew. It is of Hebrew origin, and the meaning of Elihu is "my God is He". Biblical: a young man whose fiery defense of God's righteousness is written of in the Book of Job.
Elihu has 1 variant form: Eliu.
For more information, see also the related name Elijah.