Deb Fischer
Republican US senator for Nebraska since 2013, re-elected in 2024 over Dan Osborn.
Deb Fischer beat the independent Dan Osborn by about seven points in Nebraska in 2024; by 15 October 2026 an SLF-funded committee had reported $4.75m of spending against Osborn in his run for the state's other seat.
Last refreshed: 18 October 2026
Timeline for Deb Fischer
Mentioned in: SLF funds new PACs in Nebraska and Maine
US Midterms 2026Background
Deb Fischer is Nebraska's senior US senator. She matters to the 2026 midterms because of the man she beat in 2024: the independent Dan Osborn, now challenging Senator Pete Ricketts, against whom Cornhusker Majority, an SLF-funded Nebraska committee, has reported $4.75m of spending.
Fischer served in the Nebraska Legislature from 2005 to 2013 and was first elected to the US Senate in 2012. She took her seat in 2013 and won re-election in 2018 and 2024. In 2024 Osborn ran with no party label in a state Donald Trump carried easily and came within about seven points of her.
That margin is the evidence behind Osborn's second run, and the reason Republican outside money now treats a Nebraska seat as contested.
Who is Deb Fischer?
How close did Dan Osborn come to beating Deb Fischer?
When was Deb Fischer first elected to the Senate?
Written with AI from Lowdown's published reporting. Not individually reviewed by an editor. Updated 18 October 2026. Editorial standards.