新墨西哥州立大学(New Mexico State University, NMSU)，简称为新墨州大，是一所创建于西元1888年，男女合校的知名美国公立大学。位于美国新墨西哥州南部的第二大城拉斯库塞斯(Las Cruces，人口11万)，学校原名拉斯库塞斯学院，为赠地大学(land-grant university)，全校占地超过6,000英亩。距离德州西部的边境大城艾帕索(El Paso，人口56万)车程约40分钟。在2004年被US News评选为国家级大学，大学部全美排名第169名。

New Mexico State University (commonly referred to as NMSU-Las Cruces, NMSU, New Mexico State, or NM State), is a major public, land-grant, research university in Las Cruces, New Mexico, United States. Founded in 1888, it is the oldest public institution of higher education in the state of New Mexico. NMSU is the second largest four-year university in the state, in terms of total enrollment across all campuses as of 2011, with campuses in Alamogordo, Carlsbad, Doña Ana County, and Grants, with extension and research centers across New Mexico.