Greta may refer to:
Arts and entertainment Film Greta (2018 film), a thriller film directed by Neil Jordan Greta (2020 film), a documentary film about activist Greta Thunberg Music Greta (band), hard rock band Greta (song), a 2022 song by Gloria Groove
Natural history Greta (genus), butterfly genus in the family Nymphalidae Greta morgane (thick-tipped greta) Greta oto (glasswing)
People Greta (given name), including a list of people and characters with the name
Places Greta, New South Wales, town in Australia Greta railway station Greta Army Camp, former Australian Army camp near the town of Greta Greta, Victoria, town in Australia
Other uses Group of Experts on Action against Trafficking in Human Beings, abbreviated GRETA Hurricane Greta, name of several Atlantic storms River Greta (disambiguation), one of three UK rivers
See also Georgia Regional Transportation Authority, abbreviated GRTA and pronounced "Greta" Greta Bridge, village in County Durham, England Greta Van Fleet, hard rock band