MXR (disambiguation)
MXR is a New-York-based manufacturer of effects pedals from Rochester. MXR may also refer to:
 MX Aircraft MXR, a single-seat aerobatic aircraft built by MX Aircraft Company
 Murik Kayan language, ISO 639 code mxr 
 Myrhorod Air Base, the IATA code MXR
 MXR, the alias of Moussoro Airport