Hannay
Hannay is the family name of the following people:
- David Hannay, Baron Hannay of Chiswick (* 1935), British diplomat
- James Hannay (pseudonym Percival Plug; 1827–1873), British journalist and writer
- James Ballantyne Hannay (1855–1931), Scottish chemist
- John Hannay (* 1951), British physicist
- Norman Bruce Hannay (1921–1996), American chemist
- Roger Hannay (1930–2006), American composer and music teacher