Mia Mikela Ehrnrooth (born 21 January 1987) is a Finnish-Swedish actress.

Ehrnrooth starred in the television series "Salatut elämät" from 2009 to 2014, portraying cosmetologist Cindy Rintala. She made a quick return to the series in November 2016. In 2020, it was reported that Ehrnrooth would return to the role of Cindy the following year. She also played the same role in the online series "Lillukanvarsia", shot in 2010.

In the fall of 2013, Ehrnrooth competed in the "Dancing on Ice" ice dance program.

Ehrnrooth has also served as a model. Today, she has an online store that sells socks.