| Finnish: Iso suomen kielioppi | |
| Author: | Finnish: italic=no|[[Auli Hakulinen]], [[Maria Vilkuna]], [[Riitta Korhonen]], [[Vesa Koivisto]], [[Tarja-Riitta Heinonen]] and [[Irja Alho]] |
| Country: | Finland |
| Language: | Finnish |
| Genre: | Reference book |
| Publisher: | Finnish Literature Society |
| Release Date: | 2004 |
| Media Type: | Print (Hardcover) |
| Isbn: | 951-746-557-2 |
| Congress: | PH135 .I85 2004 |
| Oclc: | 57722711 |
Finnish: '''Iso suomen kielioppi''' (lit. "the large grammar of Finnish") is a reference book of Finnish grammar. It was published in 2004 by the Finnish Literature Society and to this date is the most extensive of its kind. It is a collaboration written by noted Finnish language scholars Finnish: italic=no|[[Auli Hakulinen]], [[Maria Vilkuna]], [[Riitta Korhonen]], [[Vesa Koivisto]], [[Tarja-Riitta Heinonen]] and Finnish: italic=no|[[Irja Alho]].
The 1,698 page book differs from earlier grammars by taking a descriptive approach and describing colloquial Finnish in addition to standard literary Finnish.
The entire work is also freely available online.