NNMC may refer to:

• National Naval Medical Center
• Northern New Mexico College in Espanola, New Mexico

• Walter Kaiser (disambiguation)
• Walter Kaiser (footballer)
• Walter Kaitz Foundation
• Walter Kalasooriya
• Walter Kalin
• Walter Kamba
• Walter Kare Tjonndal
• Walter Karl Johann Roepke
• Walter Kaufmann (disambiguation)
• Walter Kauzmann
• Walter Kavanaugh
• Walter Keeley
• Walter Keeling
• Walter Keene House
• Walter Keiner
• Walter Keller (researcher)
• Walter Kelly
• Walter Kelly (comedian)
• Walter Kelly (disambiguation)
• Walter Kendall Myers
• Walter Keppel, 9th Earl of Albemarle
• Walter Kerr Theater
• Walter Kershaw
• Walter Kershaw: mural artist
• Walter K. Foster House