普利茅斯州立大学（Plymouth State University，缩写：PSU，原称：Plymouth State College）是一所位于美国新罕布什尔州普利茅斯的州立大学。该大学创立于1871年，当时是一所教师学院，称普利茅斯师范学校（Plymouth Normal School），2003年成为州立大学。2015年《美国新闻与世界报道》将其列在“北部地区大学”排名中的第103位。

Plymouth State University (PSU), formerly Plymouth State College, is a coeducational, residential university located in Plymouth, New Hampshire, with an enrollment of approximately 4,100 undergraduate students and 2,100 (matriculated) graduate students. The school was founded as Plymouth Normal School in 1871. Since that time it has evolved to a teachers college, a state college, and finally to a state university in 2003. PSU is part of the University System of New Hampshire.