Monarto may refer to:
- Monarto, South Australia, a locality
- Monarto Safari Park, a large open-range zoo in South Australia
- Monarto Conservation Park, a protected area in South Australia
- City of Monarto, a proposed city in South Australia in the 1970s - see Monarto, South Australia#Proposed city of Monarto
- District Council of Monarto, a former local government area that occupied the extent of Hundred of Monarto
- Hundred of Monarto, a cadastral unit