Ms. Greene, the hard-right House Republican from Georgia, called her former colleague’s seven-year sentence “excessive” in a letter to the U.S. pardon attorney.

Santos was convicted of 23 felony counts, prompting widespread scrutiny over the handling and consequences of political corruption cases.

Congresswoman Marjorie Taylor Greene has hit out at President Donald Trump over immigration policy and foreign aid, in another sign of the growing chasm between the MAGA firebrand and her party.