| HNK | Hrvatsko Narodno Kazalište (Croatian: Croatian National Theatre) | Hrvatsko Narodno Kazalište (Croatian: Croatian National Theatre) |
| HNK | Hrvatski Nogometni Klub (Croatian: Croatian Football Club) | Hrvatski Nogometni Klub（克罗地亚语：克罗地亚足球俱乐部） |
| HNK | Hunk | 大块头 |
| HNK | hydronephrotic kidney | 肾积水 |
| HNK | Hugs N Kisses | 拥抱N吻 |
| HNK | Human Normal Keratinocyte | 人类正常角质形成细胞 |
| HNK | Hinchinbrook Island, Queensland, Australia | 澳大利亚昆士兰州欣钦布鲁克岛 |