| Name | Team | Pos | Fantasy Upside | NHL Certainty | |
|---|---|---|---|---|---|
| Oliver Okuliar | 
| Florida Panthers | LW | 6.0 | 4.0 |
| Olivier Nadeau | 
| Buffalo Sabres | RW | 4.5 | 5.0 |
| Olivier Rodrigue | 
| Unrestricted Free Agents | G | 6.3 | 5.2 |
| Olle Eriksson Ek |
| Unrestricted Free Agents | G | 4.5 | 2.5 |
| Olle Lycksell | 
| Ottawa Senators | RW | 6.0 | 6.5 |
| Ollie Josephson | 
| Seattle Kraken | C | 6.5 | 7.0 |
| Olof Glifford |
| Florida Panthers | G | 8.5 | 4.0 |
| Olof Lindbom |
| Unrestricted Free Agents | G | 6.0 | 2.0 |
| Ondřej Becher | 
| Detroit Red Wings | C | 4.0 | 3.5 |
| Ondřej Kos | 
| St. Louis Blues | LW | 6.0 | 7.5 |
