Chom Rat Chong Charoen
| English: Long Live the Great King | |
|---|---|
| จอมราชจงเจริญ | |
Former national and royal anthem of Siam | |
| Lyrics | Phraya Sisunthonwohan |
| Music | Unknown composer (uses the melody of "God Save the King") |
| Adopted | 1852 |
| Relinquished | 1871 |
| Succeeded by | "Bulan Loi Luean" |
Chom Rat Chong Charoen (Thai: จอมราชจงเจริญ, lit: Long live the great king) was the royal and national anthem of Rattanakosin Kingdom.