1. (noun) United States poet (1917-1977)

• robert lowell
• robert traill spence lowell jr.

2. (noun) United States astronomer whose studies of Mars led him to conclude that Mars was inhabited (1855-1916)

• percival lowell

3. (noun) United States poet (1874-1925)

• amy lowell

4. (noun) United States educator and president of Harvard University (1856-1943)

• abbott lawrence lowell