WUSI or Wusi may refer to:
May Fourth Movement or Wusi Movement Wusi Square WUSI (FM), a radio station (90.3 FM) licensed to serve Olney, Illinois, United States WUSI-TV, a television station (channel 23, virtual 16) licensed to serve Olney, Illinois Wusi language, an Oceanic language spoken in Vanuatu
See also Wusih, former spelling of Wuxi, China