'''Reith''' is a Scottish surname, and may refer to:

* Charles Reith, Scottish police historian * John Reith (general) * John Reith, 1st Baron Reith, Scottish broadcasting executive (Lord Reith of the BBC) * Douglas Reith, British actor * Peter Reith, Australian politician * Sheila Reith''',''' British inventor and physician, co-inventor of the insulin pen

==Origin== The origin of this Scottish surname is uncertain. However, there are explanations as to its origin: * It may be an anglicized and reduced form of ''Mac Raith'', meaning 'son of grace' (see McRae). * Another possibility is that it is a habitational name and comes from a Cumbric or Pictish cognate of Welsh ''rhyd'', meaning 'ford'. * A less likely explanation is that it denoted somebody originally from Reeth, Northern England. * It could, at least in some cases, be a variation of Reid.

In North America, this surname has absorbed several like-sounding surnames.

==See also== * Baron Reith * Reith (Magna Carta) * Wreath

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