Mika Kristian Halvari (born February 13, 1970, in Kemi) is a Finnish former shot putter. When competing, he represented Kemin Kunto and Helsingin Kisa-Veikot.
Halvari won the 1995 IAAF World Indoor Championships in Barcelona, Spain and came in second in the World Championships in Athletics in Gothenburg, Sweden the same year. In 1998, he won a silver medal at the 1998 European Indoor Athletics Championships held in Valencia, Spain. In addition to his success internationally, Halvari has won 4 gold medals, 3 silver and 1 bronze in the Finnish Championships.
Towards the end of his career, Halvari was injured numerous times; for example, his Achilles tendon snapped twice.
His personal best outdoors is 21.50 metres, which he put on July 9, 1995 in Hämeenkyrö, Finland. Indoors, he still holds the Nordic record for his put of 22.09 m, which he achieved on February 7, 2000 in Tampere, Finland.
Halvari was the 11th shotputter accepted into the 20 meter club.
| Year | Competition | Venue | Position | Notes |
|---|---|---|---|---|
Representing  Finland
| ||||
| 1988 | World Junior Championships | Sudbury, Canada | 7th | 16.78 m |
| 1989 | European Junior Championships | Varaždin, Yugoslavia | 5th | 17.96 m |
| 1993 | World Championships | Stuttgart, Germany | 25th (q) | 18.19 m |
| 1994 | European Indoor Championships | Paris, France | 8th | 19.48 m |
| European Championships | Helsinki, Finland | 4th | 19.52 m | |
| 1995 | World Indoor Championships | Barcelona, Spain | 1st | 20.74 m |
| World Championships | Gothenburg, Sweden | 2nd | 20.93 m | |
| 1996 | Olympic Games | Atlanta, United States | 14th | 19.37 m |
| 1997 | World Indoor Championships | Paris, France | 6th | 20.22 m |
| World Championships | Athens, Greece | 5th | 20.13 m | |
| 1998 | European Indoor Championships | Valencia, Spain | 2nd | 20.59 m |
| European Championships | Budapest, Hungary | 6th | 20.33 m | |
| 1999 | World Championships | Sevilla, Spain | 16th (q) | 19.61 m |
| 2000 | European Indoor Championships | Ghent, Belgium | – | NM |
