Coelius Capital is an early-stage venture capital firm specializing in technology startups. Founded by former entrepreneur Zach Coelius, the firm focuses on investing in B2B and B2B2C companies, particularly those with unconventional ideas. Their typical investment size ranges from $200,000 to $1 million.

In early 2022, Coelius Capital raised $33.3 million for its latest fund, anticipating a challenging year for venture capital deals. The firm's limited partners include Industry Ventures, Chris Sacca, Nimble Ventures, Ben Nasarin and Tenacity Ventures, Karen Page, and Frederic Kerrest.