Aciagrion gracile, commonly known as the graceful slim, is a species of damselfly in the family Coenagrionidae. It is found in Angola, Botswana, Ivory Coast, Gambia, Malawi, Mozambique, Nigeria, Tanzania, Uganda, Zambia, Zimbabwe, and possibly Kenya.
Its natural habitats are subtropical or tropical dry forests, dry savanna, moist savanna, rivers, intermittent rivers, shrub-dominated wetlands, swamps, freshwater marshes, and intermittent freshwater marshes.