Provided herein are novel anti-EMP2 antibodies useful for the treatment and diagnosis of cancers that express or overexpress EMP2. In one aspect, provided herein is an isolated antibody that binds to Epithelial Membrane Protein 2 (EMP2), that includes heavy chain variable region and a light chain variable region. The heavy chain variable region includes three heavy chain complementary determining regions (HCDRs) and the light chain variable region includes three light chain variable regions (LCDRs). In some embodiments, the sequence of HCDR1 is SEQ ID NO: 11, the sequence of HCDR2 is SEQ ID NO: 12, the sequence of HCDR3 is SEQ ID NO: 13, the sequence of LCDR1 is SEQ ID NO:14, the sequence of LCDR2 is SEQ ID NO: 15, and the sequence of LCDR3 is SEQ ID NO: 16.