Family name Koistinen (Koistinen 
, Койстинен 
) , worldwide, is quite a rare surname. The surname Koistinen is habitual in Northern Europe, particularly Finland, where it is quite a common surname, Sweden, where it is quite a rare surname, and Latvia, where it is a rare surname. In absolute terms, this name is the most popular in Finland, the United States, and Sweden.
| VARIANT | COUNTRY |
|---|---|
| Koistinen | Sweden, Finland, Canada, United States, Latvia |
| Койстинен | Russia |
| olli koistinen Finnish historian, FI (b. 1877) |
|
|
| unto koistinen Finnish painter (1917–1994), FI (b. 1917) |
|
|
| tauno koistinen Finnish association football player (1918-1977), FI (b. 1918) |
|
|
| otto koistinen Finnish kantele maker (b. 1925) |
|
|
|
mari koistinen Finnish writer, journalist, FI (b. 1977) |
|
| karl koistinen Swedish architect, SE (b. 1929) |
|
|
| vuokko koistinen Finnish writer, FI (b. 1931) |
|
|
|
ville koistinen Finnish ice hockey player, FI (b. 1982) |
|
| annikki koistinen Finnish politician, FI (b. 1934) |
|
|
|
matti koistinen Finnish ice hockey player, FI (b. 1986) |
|
| keijo koistinen Finnish ice hockey player and association football player (1941-1968), FI (b. 1941) |
|
|
|
topi koistinen Finnish pesäpallo player, FI (b. 1993) |
|
| al koistinen American politician, US (b. 1948) |
|
|
|
ada koistinen Finnish triple jumper, FI (b. 1999) |
|
| ritva koistinen-armfelt Finnish kantele musician, player, FI (b. 1956) |
|