| Merry Go Boy | |
|---|---|
 Merry Go Boy | |
| Breed | Tennessee Walking Horse |
| Discipline | Show horse |
| Sire | Merry Boy |
| Grandsire | Roan Allen |
| Dam | Wiser's Dimples |
| Maternal grandsire | Giovanni |
| Sex | Stallion |
| Foaled | 1943 |
| Country | United States |
| Color | Black, star and left hind sock |
| Breeder | Archie Wiser |
| Trainer | Winston Wiser |
| Major wins | |
| World Grand Championships in 1947, 1948 | |
Merry Go Boy (May 4, 1943 – July 7, 1967) was a highly influential Tennessee Walking Horse sire and two-time World Grand Champion. He is credited for producing the most desirable conformation type in his offspring.