Waimarino is the original name of the town National Park, New Zealand. It was renamed to avoid confusion, as increasingly the wider area was referred to by the same name. Waimarino may refer to the following:
- Waimarino district, an area at the foot of Mount Ruapehu
- Waimarino (New Zealand electorate), an electorate centred on Waimarino
- Waimarino County, a former territorial local authority
- Waimarino Museum, a museum in Raetihi
- Waimarino River, a river in the region