Niddrie or Niddry can mean:
Places Niddrie, Victoria, a suburb of Melbourne, Australia Electoral district of Niddrie, Victoria, Australia Niddrie, Edinburgh, Scotland, a suburb of Edinburgh Niddrie railway station Niddry Castle, built about 1500, near Winchburgh, Scotland
People Frederick Niddrie (1890–1958), Canadian politician John W. Niddrie (1863–1940), Scottish pioneer and missionary in Canada, and memoirist John Hope, 4th Earl of Hopetoun (1765–1823), also Baron Niddry, British Army general and politician
Other uses Niddrie Technical College, original name of Rosehill Secondary College, Niddrie, Victoria, Australia Niddrie High School, amalgamated with other schools into Essendon Keilor College, Niddrie, Victoria
See also Archibald Wauchope of Niddrie (c. 1565 – 1597), Scottish landowner and rebel Longniddry, East Lothian, Scotland
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