Līna Mūze (born 4 December 1992) is a Latvian track and field athlete who competes in the javelin throw.

She is a European Games champion and won the gold medal in the javelin event at the 2023 Championships.

[2] Mūze won her first international medal when she placed second at the 2010 World Junior Championships in Moncton.

Mūze competed in the women's javelin throw event at the 2020 Summer Olympics in Tokyo.

She competed in the women's javelin throw event at the 2024 Summer Olympics in Paris.