KSR

KSR is an initialism that may mean:

• Kendall Square Research, a supercomputer company headquartered originally in Kendall Square in Cambridge, Massachusetts
• Keyboard Send Receive, a designation used by Teletype Corporation for teleprinters that contain a keyboard but no punched tape equipment
• Kim Stanley Robinson, an American science fiction writer known for his award-winning Mars trilogy
• a kinetic sculpture race of human-powered amphibious works of art
• KSR v. Teleflex, a significant precedent in U.S. patent law
• Katahdin Scout Reservation, otherwise known as Camp Roosevelt, a Boy Scouts of America camp in Maine
• ksrct, otherwise known as K.S. Rangasamy College of Technology
• Khao San Road, a short road in central Bangkok, popular with backpackers
• Kinase suppressor of Ras, a protein in the MAP Kinase cascade
• Killington Ski Resort, a ski area in Killington, Vermont
• Kingdom of Saudi Arabia