Lista Ong-urilor din Harghita
| Denumire | Județ | Localitate ▲ ▼ |
| Asociatia Kishokisok A Nagyvilagban | Harghita | Miercurea Ciuc |
| Asociatia Kismanok Egyesulete | Harghita | Ciumani |
| Asociatia Kistalentum Egyesulet | Harghita | Sandominic |
| Asociatia Kmb Motors Egyesulet | Harghita | Plaiesii De Sus |
| Asociatia Kodaros Din Ocna De Sus | Harghita | Ocna De Sus |
| Asociatia Koketanc Kulturalis Egyesulet | Harghita | Ciucsangeorgiu |
| Asociatia Kokis | Harghita | Ditrau |
| Asociatia Koly Dance Club Egyesulet | Harghita | Odorheiu Secuiesc |
| Asociatia Kondor | Harghita | Siculeni |
| Asociatia Kontaktus | Harghita | Miercurea Ciuc |
| Asociatia Konyvmoly Egyesulet | Harghita | Odorheiu Secuiesc |
| Asociatia Kope Gobe Egyesulet | Harghita | Miercurea Ciuc |
| Asociatia Korondi Ifjusagi Forum | Harghita | Corund |
| Asociatia Korondi Kezek Varazsa | Harghita | Corund |
| Asociatia Korondi Quad Egyesulet | Harghita | Corund |
| Asociatia Korrekta | Harghita | Odorheiu Secuiesc |
| Asociatia Kortina | Harghita | Miercurea Ciuc |
| Asociatia Kortina | Harghita | Miercurea Ciuc |
| Asociatia Kos Karoly | Harghita | Gheorgheni |
