Wiikman started his junior career in Sweden with
HV71 before moving to
HPK in Finland, with whom he won the
SM-liiga championship in 2006 and was a recipient of the
Jari Kurri trophy as the Playoff MVP. He signed an
AHL contract with the
Hartford Wolf Pack on June 4, 2007. Miika started the
2007–08 season splitting playing time with
Al Montoya. After the latter's trade to the
Phoenix Coyotes organization, Wiikman became Hartford's primary goaltender, finishing the season with a 21-8-3 record, during which he was awarded Player of the Week on January 27, 2008. On April 24, 2008, he signed an
NHL entry-level contract with the Rangers. He opened the
2009–10 season again with Hartford before he was reassigned to the
Charlotte Checkers of the
ECHL. On March 3, 2010, Wiikman was traded by the Rangers to the Phoenix Coyotes for
Anders Eriksson. He was then assigned to AHL affiliate, the
San Antonio Rampage for the remainder of the season. On April 26, 2010, Wiikman returned to Finland's SM-liiga, signing a one-year contract with Lukko for the 2010-11 season. On June 21, 2015, Wiikman continued his journeyman career by moving to England to play for the Nottingham Panthers of the Elite ice hockey league. Wiikman departed Nottingham in April 2017, following two years with the team. In September 2017, Wiikman signed with
EIHL new-boys
Milton Keynes Lightning as short-term injury cover following an injury to their number one netminder in pre-season. In August 2018, Wiikman signed for fellow EIHL side
Coventry Blaze after it was confirmed that incumbent netminder
Kevin Nastiuk was not returning to the club. Wiikman, a dual citizen, has played on the
Finnish national team and the
Swedish national junior team. ==Career statistics==