Riddoch

Riddoch may refer to:
 * Riddoch syndrome
 * Riddoch Highway
 * Alexander Riddoch, eight times Provost of Dundee
 * Dave Riddoch, Scottish footballer
 * George Riddoch, Australian politician
 * Greg Riddoch, American baseballer
 * Ian Riddoch, Scottish chief executive
 * John Riddoch, Australian politician
 * Lesley Riddoch, British journalist