MWD

MWD may refer to:

• Matte World Digital, an American visual effects company
• Measurement while drilling, a procedure used in oil well drilling
• Metropolitan Water District of Southern California, a water wholesale supplier to local cities in Southern California, United States
• Military working dog, used in warfare
• Murakami-Wolf-Dublin, American animation studio
• Myawaddy TV, a Burmese military-owned network
• PAF Base M.M. Alam (IATA code), a Pakistan Air Force airbase located at Mianwali, Pakistan