Merrill B. Twining
| Merrill Barber Twining | |
|---|---|
| General Merrill B. Twining | |
| Born | November 28, 1902 Monroe, Wisconsin, U.S. | 
| Died | May 11, 1996 (aged 93) Fallbrook, California, U.S. | 
| Allegiance | United States | 
| Branch | United States Marine Corps | 
| Years of service | 1923–1959 | 
| Rank | General | 
| Commands | 3rd Marine Division 1st Marine Division | 
| Battles / wars | World War II Korean War | 
| Awards | Legion of Merit (2) Navy Commendation Medal | 
| Relations | Nathan F. Twining (brother) Nathan C. Twining (uncle) | 
General Merrill Barber Twining (November 28, 1902 – May 11, 1996) was a United States Marine Corps general who received a "tombstone promotion" to four-star general upon retirement. He was the brother of Air Force General Nathan Farragut Twining, and the nephew of Rear Admiral Nathan Crook Twining.