Kohn, Kohn & Colapinto is a Washington, D.C., United States, based international whistleblower rights law firm specializing in anti-corruption and whistleblower law, representing whistleblowers who seek rewards, or who are facing employer retaliation, for reporting violations of the False Claims Act, Foreign Corrupt Practices Act, Dodd-Frank Wall Street Reform, Sarbanes-Oxley Acts, Commodity and Security Exchange Acts and the IRS Whistleblower law.

The firm's most notable client is Bradley Birkenfeld, a private banker who blew the whistle on UBS AG's aiding and abetting of tax fraud by the Swiss bank's American clientele. Other notable clients include Danske Bank whistleblower Howard Wilkinson, who exposed what many experts believe to be the largest money laundering scandal in world banking history, and Linda Tripp, the former White House and U.S. Department of Defense employee who blew the whistle on President Bill Clinton's affair with Monica Lewinsky.

Kohn, Kohn & Colapinto specializes in a variety of anti-corruption and whistleblower law practice areas, including tax evasion, securities and commodities fraud, qui tam, environmental crimes, animal trafficking, and white-collar crime. The firm has also worked on behalf of whistleblowers who have suffered workplace retaliation for reporting fraud internally.

Working with the National Whistleblower Center, Kohn, Kohn and Colapinto is active on a range of pro bono works. KKC has provided pro bono representation to public interest organizations and whistleblowers at congressional policy and legislative hearings. The firm has submitted numerous amicus curiae briefs in landmark whistleblowing cases before the Supreme Court to establish legal precedents on whistleblower protection laws.

KKC has also served the public interest by filing various reports and petitions to contribute to the Securities and Exchange Commission and Internal Revenue Service whistleblower rulemaking. They have worked toward strengthening whistleblower reward provisions in major environmental and wildlife protection laws by advocating the effectiveness of incentivizing whistleblowers worldwide in preventing environmental crimes.

Kohn, Kohn and Colapinto was founded in 1988 by Stephen Kohn, Michael Kohn, and David Colapinto. The three partners also founded the National Whistleblower Center in 1988.

Before founding Kohn, Kohn & Colapinto, the future partners represented whistleblowers in complex civil litigation against major corporations, including Duke Power Company, Brown & Root, Inc. Texas Utilities, DuPont, B.F. Shaw Co., and Arizona Public Service.

Among their early victories was disqualifying the most prestigious corporate law firm representing nuclear utilities for unethical conduct, winning the first-ever successful whistleblower case at a nuclear weapons plant, including reinstatement orders for whistleblowers Roger Wensil and Joy Adams.