Seppo Auvo Antero Häkkinen (born 2 June 1958) is a Finnish prelate who has been bishop of the Diocese of Mikkeli since 2009.

Seppo Häkkinen was born on 2 June 1958 in Kuopio.

Häkkinen worked as Head of the Functional Department of the Church Council between 2002–2009, Heinola Provincial in Chapel between 1987-2001 and as an official assistant to the Imatra Ward between 1983–1987.

Häkkinen's family includes his wife Maria and four children.

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