| Position: | Defence |
| Height Ft: | 5 |
| Height In: | 7 |
| Weight Lb: | 175 |
| Team: | Leeds Knights |
| League: | NIHL |
| Former Teams: | Whitley Warriors Telford Tigers Basingstoke Bison Newcastle Vipers Braehead Clan Swindon Wildcats Manchester Storm |
| Birth Date: | 1989 6, df=yes |
| Birth Place: | Whitley Bay, England |
| Career Start: | 2005 |
Sam Zajac (born 23 June 1989) is an English professional ice hockey defenceman currently playing for the Leeds Knights of the National Ice Hockey League. He spent the 2019-20 season as player/coach of Leeds.