John Elway is donating tons of money to Republicans running in next month's midterm elections ... TMZ has learned.
We combed through 2018 Federal Election Commission filings to see which A-listers were bucking up for the GOP, and John is leading the pack by a few football fields -- spending over $27,000.
The Denver Broncos honcho and Hall of Fame QB gave $14,825 to Walker Stapleton in his bid for Colorado governor, plus another $10,000 to the state's Republican committee.
Those donations are on top of the $2,700 John donated to Rep.