Lawrence Khai Saen-Phon-On (Thai: ลอเรนซ์ คายน์ แสนพลอ่อน, August 17, 1928 – July 24, 2007) was archbishop of Thare and Nonseng in northeast Thailand from 1980 till his retirement in 2004.
Born in Ban Thung-Mon, Mueang Sakon Nakhon district, he became priest in Thare on January 16, 1957. He was appointed as archbishop of Thare and Nonseng on March 6, 1980, and consecrated on July 16, 1980 by his predecessor Michel Kien Samophithak. On May 14, 2004 his resignation was accepted[1]. He died on July 24, 2007, and was buried on July 28.