1. (n.)Johnson Andrew, 1808–75, 17th president of the U.S. 1865–69.
2. Johnson Lyndon Baines, 1908–73, 36th president of the U.S. 1963–69.
3. Johnson Philip C(ortelyou), born 1906, U.S. architect.
4. Johnson Richard Mentor, 1780–1850, vice president of the U.S. 1837–41.
5. Johnson Samuel (“Dr. Johnson”), 1709–84, English lexicographer and writer.
Definition of 'johnson'
Princeton's WordNet
1. (noun)Johnson, Samuel Johnson, Dr. Johnson English writer and lexicographer (1709-1784)
2. (noun)Johnson, Lyndon Johnson, Lyndon Baines Johnson, LBJ, President Johnson, President Lyndon Johnson 36th President of the United States; was elected vice president and succeeded Kennedy when Kennedy was assassinated (1908-1973)
3. (noun)Johnson, Andrew Johnson, President Johnson, President Andrew Johnson 17th President of the United States; was elected vice president and succeeded Lincoln when Lincoln was assassinated; was impeached but acquitted by one vote (1808-1875)
Definitions of johnson 
