The Ontario Conservation Accelerator (OCA) is an organization dedicated to enhancing environmental conservation efforts throughout Ontario. Founded to tackle the pressing challenges posed by climate change and biodiversity loss, OCA operates from Peterborough, Ontario. Its mission includes protecting lands, fostering partnerships, and ensuring the effective implementation of conservation initiatives.

OCA primarily focuses on convening public and private partnerships and supporting a diverse range of stakeholders, including forestry, conservation groups, Indigenous communities, and government entities. The organization leads direct land conservation efforts in areas where active land trusts are absent, aiming to create innovative project models and secure significant funding for conservation projects.

OCA offers a collaborative platform for stakeholders in conservation, facilitating partnerships and funding opportunities to drive impactful conservation projects across Ontario.