The 1942 New Mexico A&M Aggies football team was an American football team that represented New Mexico College of Agriculture and Mechanical Arts (now known as New Mexico State University) as a member of the Border Conference during the 1942 college football season. In its third and final year under head coach Julius H. Johnston, the team compiled a 1–8 record (0–6 against conference opponents), finished in last place in the conference, and was outscored by a total of 223 to 33. The team played its home games at Quesenberry Field in Las Cruces, New Mexico.