| Knute | Knot | Boy | |
| Kristen | Follower of christ | Boy | |
| Kristian | Follower of christ | Boy | |
| Kristoffer | Christ bearer | Boy | |
| Leif | Descendent, Heir | Boy | |
| Linus | Flax | Boy | |
| Magnus | Great | Boy | |
| Marcus | Roman God Mars | Boy | |
| Maria | Beloved | Unisex | |
| Marius | Male | Boy | |
| Martin | Roman God Mars | Boy | |
| Mats | Gift of god | Boy | |
| Morten | Like Mars | Boy | |
| Nal | Champion | Boy | |
| Nikolaus | Victory of people | Boy | |
| Nils | Victory of people | Boy | |
| Njord | Strong, Vigourous | Boy | |
| Normand | North protection, North man | Boy | Norwegian |
| Odd | Point of a sword | Boy | |
| Oddmund | Point of a weapon, Protection | Boy | |
| Ola | Ancestor's descendent | Boy | |
| Olaf | Ancestor's descendent | Boy | |
| Olav | Ancestor's descendent | Boy | |
| Ole | Ancestor's descendent | Boy | |
| Oliver | Ancestor's descendent | Boy | |
| Oscar | Deer lover | Boy | |
| Oskar | Deer lover | Boy | |
| Otto | Wealth, Fortune | Boy | |
| Ove | Blade | Boy | |
| Oystein | Island stone | Boy | |
| Oyvind | Victory, Island, Wind | Boy | |
| Pal | Small, Humble | Boy | |
| Paul | Small, Humble | Boy | |
| Peder | Rock, Stone | Boy | |
| Peer | Rock, Stone | Boy | |
| Per | Rock, Stone | Boy | |
| Peter | Rock, Stone | Boy | |