Kansas State University (KSU, Kansas State, or K-State) is a public land-grant research university with its main campus in Manhattan, Kansas, United States. It was opened as the state's land-grant college in 1863 and was the first public institution of higher learning in the state of Kansas.

The university is classified among "R1: Doctoral Universities – Very high research activity". Kansas State's academic offerings are administered through nine colleges, including the College of Veterinary Medicine and the College of Technology and Aviation in Salina. Graduate degrees offered include 65 master's degree programs and 45 doctoral degrees.

Branch campuses are in Salina and Olathe. The Kansas State University Salina Aerospace and Technology Campus is home to the College of Technology and Aviation. The Olathe Innovation Campus has a focus on graduate work in research bioenergy, animal health, plant science and food safety and security.