The Tatua Co-operative Dairy Company Ltd, trading as Tatua, is an independent co-operative dairy company in the Matamata-Piako District of the Waikato Region, in the North Island of New Zealand. It is located in the rural locality of Tatuanui, approximately 8 kilometres east of Morrinsville. The co-operative is owned by 114 shareholder farms, all located within a 12 kilometre radius of the processing factory.