Peter Johan Östman (born 16 December 1961) is a member of the Parliament of Finland and is the Chairman of the Christian Democratic Parliamentary Group.

[3] Östman has been a Member of Parliament representing the Constituency of Vaasa since 2011.

He has also been Secretary General and Vice Chairman of the Christian Democrats.

[4] In 2004, he was a candidate for the Chair of the Christian Democrats, losing to Päivi Räsänen.

His candidacy to become the vice chair of the party was supported by the Christian Democrats' Swedish-speaking organization.