List of companies founded by Harvard College alumni

This is an list of companies founded by alumni of Harvard College, including people who attended the college but did not receive a bachelor's degree. This list is not exhaustive, as it only includes notable, well-documented companies. This list does not include those who only have graduate degrees from Harvard University.

Harvard alumni have started a large number of companies.

Ownership of public companies is shown by their STOCK symbol; subsidiaries of public companies are listed with their owner in parentheses. "Co-founder(s)" means that there were also non-MIT founders for a company. "ND" ("no degree") means that the person pursued a degree program, but never received the degree. An asterisk at the beginning of the "Founder" column indicates that there were other founders who were not Harvard College alumni.

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