'''Nechtan''', '''Nectan''' or '''Neithon''' may refer to:

==Kings== * [[Nechtan Morbet]] ({{floruit|5th or 6th century}}), king of the Picts * [[Nechtan nepos Uerb]] ({{floruit|7th century}}), king of the Picts * [[Nechtan mac Der-Ilei]] (died 732), king of the Picts * [[Neithon of Alt Clut]] ({{floruit|7th century}}), King of Strathclyde

==Other people== * [[Nechtan of Aberdeen]] ({{floruit|12th century}}), bishop of Aberdeen * Saint [[Nectan of Hartland]] ({{floruit|5th/6th century}}), associated with Devon and Cornwall * Saint Nectan, nephew and disciple of [[Saint Patrick]]

==Mythology== * [[Nechtan Scéne]], character in the Irish ''Ulster Cycle'' * [[Nechtan (mythology)]], an Irish god * [[Nechtan mac Collbran]], Irish-mythological character in [[the Voyage of Bran]]

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