The IEEE SSP workshop is one of the foremost international conferences on statistical signal processing and its applications. The 22nd edition of SSP will be held from 2-5 July 2023 in Hanoi, the capital of Vietnam: a 1000-year-old city with a mix of rich history and modern appeal and proud of local culture and cuisine. The programme will feature many world-class plenary speakers for emerging topics, as well as regular and special sessions covering the latest research and innovation in the field.