Dianne Sika-Paotonu is a New Zealand immunologist, biomedical scientist and academic in the Department of Pathology and Molecular Medicine and Associate Dean (Pacific) at the University of Otago Wellington.

[2] Her PhD thesis, completed in 2014, was titled Increasing the potency of dendritic cell based vaccines for the treatment of cancer.

[3] Sika-Paotonu completed her PhD while working on cancer vaccines at the Malaghan Institute of Medical Research in Wellington.

[6] Her research into the early detection of cancer using a blood test was funded by a Sir Thomas Davis Te Patu Kite Rangi Ariki Fellowship in 2018.

[1][4] Sika-Paotonu is a senior lecturer in the Department of Pathology and Molecular Medicine and Associate Dean (Pacific) at the University of Otago, Wellington.