Single Photon Workshop (SPW) 2022, which will be held at the KIST Seoul campus, South Korea. SPW 2022 will be the tenth installment in a series of workshops started in 2003 at NIST Gaithersburg on single-photon technologies. It will be an exciting opportunity for those interested in this field to learn about the state-of-the-art and to foster continuing partnerships with others seeking to advance the capabilities of such technologies.