Mika Stefan Hannula (born 2 April 1979) is a Swedish former professional ice hockey player.

Although, on November 13, 2006, HV71's general manager Fredrik Stillman announced through the club's web site that Hannula will take an indefinite break from ice hockey for personal reasons.

[5] One week later, November 20, it was noted that he participated in a training session with the Stockholm-based club Vallentuna BK, where Hannula's younger brother played at the same time.

[6] On December 1, HV71's chairman Hans-Göran Frick announced that the club let Hannula go and broke his contract, which had one year left.

After his first season in RSL, scoring 15 points in 23 games, Hannula signed with SKA Saint Petersburg for one year.

He moved on to league rival Metallurg Magnitogorsk for the 2010–11 KHL season; however, he was able to play only one game for the team due to an injury.