Te Kotahitanga marae is one of four marae located in Waiomio in Northland. Off SH1 south of Kawakawa. It belongs to the Whānau ā Kopa, of the iwi Ngāti Hine, with connections also to Ngāpuhi.
The wharenui is also named Te Kotahitanga which was shifted on sledge from from the valley of Tautoro. There are restorations plan currently being led by Te Whānau ā Kopa.Te Kotahitanga connects to the maunga Hikurangi and the waka Ngātokimatawhaorua.