She is being accused of "inciting hatred against LGBT people".
Päivi Räsänen, a committed Christian civil servant and grandmother, was put on trial for sharing her beliefs on social media
The court ruled that "it is not for the district court to interpret biblical concepts."
There were about 30 faithful praying inside.
Finland's public prosecutors are to appeal the judgement which threw out the charges against Räsänen.
Dr. Räsänen has served as Finland's Interior Minister from 2011 to 2015.
All three charges brought against Päivi Räsänen were dismissed but the prosecution may appeal within the next seven days.
Individuals like Zafar Bhatti are regularly persecuted in countries like Pakistan
Six members of U.S. Congress have condemned the prosecution as “infringements on religious freedom.”