Gregorio Beltran Lopez[1] (born June 7, 1964)[2] is an American politician who served as the U.S. representative for Colorado's 4th congressional district from 2024 to 2025.

He was the Republican nominee for the 2024 special election in Colorado's 4th congressional district to replace Ken Buck, who resigned in March 2024.

[4][5] A third-generation Mexican American,[6] Lopez grew up in Irving, Texas, with parents and grandparents who were farm workers.

In that role, he prepared airplanes for flight and left active service after sustaining significant hearing loss from airfield work.

[7] In 2020, the United States Department of Justice pursued a civil case alleging Lopez had improperly tried to influence former SBA colleagues years earlier, after his departure from the agency.

In the campaign, he stated he wanted to outlaw abortions without exceptions, denied man-made climate change, and alleged that the 2020 election was won by Trump and stolen.

Lopez was selected as the Republican nominee for the special election in Colorado's 4th congressional district caused by incumbent Ken Buck's resignation.

[14][15][16][17] Following his victory, Lopez penned an op-ed in The Denver Post, pledging to not "buy, sell, or trade individual stocks" while in Congress, and to not miss any votes.

She reportedly told police that she first struck Lopez, who then pushed her to the ground, kicked her, and attempted to drag her by the hair.