Trisia Angela Farrelly ONZM (née Prince) is a New Zealand professor of social anthropologist and Honorary Fellow of Massey University, specializing in science-policy and systems approaches to preventing and reducing plastic pollution.

Farrelly coordinates the Scientists' Coalition for an Effective Plastics Treaty, with a membership of more than 400 members from over 60 countries.

[1] She co-founded the Aotearoa Plastic Pollution Alliance and the New Zealand Product Stewardship Council.

Her thesis was titled Business va'avanua: cultural hybridisation and indigenous entrepreneurship in the Bouma National Heritage Park, Fiji and was supervised by Sita Venkateswar and Regina Scheyvens.

[5][1] She is coordinator of the Scientists' Coalition for an Effective Plastics Treaty and co-director of Massey's Political Ecology Research Centre.

Farrelly was awarded Massey University medals for Exceptional Research Citizenship, and Excellence in Teaching.

[1][9][2] In the 2025 New Year Honours Farrelly was appointed an Officer of the New Zealand Order of Merit for services to ecology.

Bergmann, M., Arp, H. P. H., Carney Almroth, B., Dey, T., Farrelly, T., Gündoğdu, S., ... & Wang, M. (2023).

Ocean plastic cleanups need a global framework with science-based criteria.

Using IUCN Best Practice Principles to Evaluate National Park Management: A Zambia Case Study.

Policy implications for gaps in traditional plastic waste material flow analysis: Palmerston North, New Zealand.

Carney Almroth, B., Abeynayaka, A., Diamond, M. L., Farrelly, T., Fernandez, M., Gündoğdu, S., ... & Ågerstrand, M. (2023).

Qi no tu i baba ni qwali (living down by the river): Impacts of flooding and mining on ecosystems and livelihoods.

The strengths and weaknesses of Pacific Islands plastic pollution policy frameworks.

Measuring social licence: What and who determines public acceptability of aquaculture in New Zealand?.

Discourse, agency, and social license to operate in New Zealand's marine economy.

Non-formal education for sustainable development: A case study of the ‘children in the wilderness’ eco-club programme in the Zambezi region.

‘We're Hands-On People’: Healing Diabetes in the Absence of Traditional Healers in an Aboriginal Community in Northern Territory, Australia.

Political ecology, privation and sustainable livelihoods in northern Thailand's national parks.