Ganong may refer to:
- Ganong Bros. Limited, a Canadian chocolates company
- Gilbert Ganong, Canadian politician and co-founder of Ganong Bros. Limited
- Arthur D. Ganong, Canadian politician
- David A. Ganong, former president and current Chairman of the Board of Ganong Bros. Limited
- William Francis Ganong (1864-1941) Canadian botanist, historian and cartographer
- William Francis Ganong, Jr. (1924-2007) American mammalian physiologist