Sarah Elizabeth Anne Koltun[2] (born July 6, 1993) is a Canadian curler from Kamloops, British Columbia.

At the Hearts in Montreal, Quebec, they finished last, however they were able to defeat Prince Edward Island's Kim Dolan and Saskatchewan's Stefanie Lawton.

[16] Team Galusha easily won the 2019 Northwest Territories Scotties Tournament of Hearts, winning all three of her games in a best of five series against the Tyanna Bain junior rink from Inuvik.

At the 2019 Scotties Tournament of Hearts, the Galusha rink had a strong start, winning three of their first four games, before losing three straight, and were eliminated after pool play with a 3–4 record.

They had some success on the tour, having a quarterfinal finish at the 2019 AMJ Campbell Shorty Jenkins Classic[18] and reaching the semifinals of the Stu Sells Toronto Tankard.

At the 2021 Scotties Tournament of Hearts, Team Galusha finished the round robin with a 4–4 record, just missing the championship pool.

[22] Due to the COVID-19 pandemic in Canada, the qualification process for the 2021 Canadian Olympic Curling Trials had to be modified to qualify enough teams for the championship.

[26] At the 2022 Scotties Tournament of Hearts, the team finished the round robin with a 5–3 record, qualifying them for a tiebreaker against Manitoba's Mackenzie Zacharias.

[30] In the new year, they again went undefeated to win the 2023 Northwest Territories Scotties Tournament of Hearts, defeating Reese Wainman 8–1 in the final.

Representing the Territories at the 2023 Scotties Tournament of Hearts, Team Galusha started the event with a 3–1 record before losing their next three games.

In December, the team went undefeated at the Stu Sells Brantford Nissan Classic until the final where they lost to Courtney Auld.

[35][36] On March 28, 2024, it was announced Koltun would join the Corryn Brown rink out of British Columbia for the 2024–25 season, taking the place of Jennifer Armstrong who decided to focus on mixed doubles.