Katsuaki (written: 勝晙, 勝昭, 勝明, 捷昭) is a masculine Japanese given name. Notable people with the name include:
*
Katsuaki Asai (born 1942), Japanese aikidoka
* (1784–1804), Japanese ''daimyō''
*, Japanese sumo wrestler
*, Japanese cyclist
*, Japanese karateka
*, Japanese boxer
*, Japanese modern pentathlete
*, Japanese chief executive
{{given name
Japanese masculine given names