Jari Pekka Olavi Vilén (born 17 April 1964 in Kemi) is a Finnish diplomat and a politician.

Vilén served in the Finnish Parliament, representing the National Coalition Party and the district of Lapland from 1999 to 2007.

Mr Vilén was chosen as Member of the European Union Convention on Future to be the successor for Matti Vanhanen, sitting Finnish Prime Minister.

On 17 February 2012, the president decided to appoint Vilén as Finland's new ambassador to Warsaw, Poland, effective from 10 September 2012.

[1] Following complaints from some embassy staff, Jari Vilén received a warning regarding allocations of inappropriate behaviour and sexual harassment, which he denied.

After finishing his studies and getting the degree of Master of Education from the University of Oulu 1990 Vilén continued his academic career as researcher in Trinity College and as teacher in St Andrews College, Dublin, Ireland 1990–1991, as assistant in the University of Oulu 1991–1992, and as researcher on a grant from the Academy of Finland in Vrije Universiteit, Brussels, Belgium 1992 - 1994.

Vilén married again in 2011 in Budapest, this time to Eva Söregi, who is the head of cabinet of the former President of the Hungarian Parliament, Katalin Szili.