Katharin "Kathy" Kelker (born May 7, 1943) is an American politician who served as a Democratic member of the Montana Senate. She previously served in the Montana House of Representatives from 2015 to 2023 before being termed out. She resigned from the Montana Senate in November 2024.
2014 election
In the 2014 election, Mary McNally ran unopposed in the primary until she withdrew to become the replacement nominee for Montana Senate district 24. Kelker took her place and defeated Republican opponent Joshua Sizemore.
2014 Montana House of Representatives 47th District election
Party
Candidate
Votes
%
Democratic
Katharin Kelker
1,701
56.2
Republican
Joshua Sizemore
1,328
43.8
2016 election
Kelker ran unopposed in the primary and defeated Republican Jason Thomas.
2016 Montana House of Representatives 47th District election
Party
Candidate
Votes
%
Democratic
Katharin Kelker
2,272
58.51
Republican
Jason Thomas
1,611
41.49
2018 election
Kelker ran unopposed in the primary and defeated Republican Colton Zaugg.
2018 Montana House of Representatives 47th District election
Party
Candidate
Votes
%
Democratic
Katharin Kelker
2,352
59.7
Republican
Colton Zaugg
1,586
40.3
2020 election
Kelker ran unopposed in the primary and defeated Republican TJ Smith.
2020 Montana House of Representatives 47th District election
Party
Candidate
Votes
%
Democratic
Katharin Kelker
2,485
55.5
Republican
TJ Smith
1,992
44.5
2022 election
After being term limited in the House of Representatives, Kelker ran for the 24th Senate District. Kelker ran unopposed in the primary and defeated Republican Elijah Tidswell.
