Here follows the Finnish phonetic alphabet and the international radiotelephony spelling alphabet, commonly known as NATO phonetic alphabet.
| Letter | Finnish | NATO |
|---|---|---|
| A | Aarne | Alfa tai Alpha (ANSI) |
| B | Bertta | Bravo |
| C | Celsius | Charlie |
| D | Daavid | Delta |
| E | Eemeli | Echo |
| F | Faarao | Foxtrot |
| G | Gideon | Golf |
| H | Heikki | Hotel |
| I | Iivari | India |
| J | Jussi | Juliett tai Juliet (ANSI) |
| K | Kalle | Kilo |
| L | Lauri | Lima |
| M | Matti | Mike |
| N | Niilo | November |
| O | Otto | Oscar |
| P | Paavo | Papa |
| Q | kuu | Quebec |
| R | Risto | Romeo |
| S | Sakari | Sierra |
| T | Tyyne | Tango |
| U | Urho | Uniform |
| V | Vihtori | Victor |
| W | wiski | Whiskey |
| X | äksä | X-ray |
| Y | Yrjö | Yankee |
| Z | tseta | Zulu |
| Å | Åke | Alfa Alfa |
| Ä | äiti | Alfa Echo |
| Ö | öljy | Oscar Echo |