CMPL

CMPL may refer to:
 * Clementi Public Library, a public library in Clementi, Singapore
 * Clinton-Macomb Public Library, Clinton Charter Township, Michigan
 * "c-mpl", the human homologue of the myeloproliferative leukemia virus oncogene
 * Thrombopoietin, also known as "C-Mpl", the protein corresponding to the above
 * The Central Military Pathological Laboratory, now known as AFIP Rawalpindi
 * The  instruction in the x86-64 instruction set