John Rennie
John Rennie is the name of the following people:
- John Rennie the Elder, engineer
- John Rennie the Younger, engineer
- John Rennie (naval architect), naval architect
- John Rennie (MI6 officer), Director of MI6
- John Rennie (soccer), American soccer coach
- John Rennie (editor), editor-in-chief of Scientific American, 1994–2009
- John Rennie (cricketer), Zimbabwean Test and ODI cricketer
- John Gillies Rennie, Quebec politician and educator
- John Rennie (GC), British recipient of the George Cross
- John Shaw Rennie, Commissioner-General for United Nations Relief and Works Agency for Palestine Refugees in the Near East
- John T. Rennie, Scottish ship-owner