Sancho I may refer to:
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Sancho I of Gascony
Sancho I López or Lupus Sancho (also Lupo; , French: ''Sanche Loup'', Gascony: ''Sans Lop'') was a Duke of Gascony between the years 801 and 812.
His parentage is unknown, but onomastics and chronology indicate that he may have been a son of L ...
(died 812), Basque Duke
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Sancho I of Pamplona
Sancho Garcés I (Basque: ''Antso I.a Gartzez''; 860 – 10 December 925), also known as Sancho I, was king of Pamplona from 905 until 925. He was the son of García Jiménez and was the first king of Pamplona of the Jiménez dynasty. Sancho ...
(circa 860–925), Navarrese monarch
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Sancho I Ordóñez
The name Sancho () is an Iberian name of Basque origin (Santxo, Santzo, Santso, Antzo, Sans). Sancho stems from the Latin name Sanctius. Feminine forms of the name are Sancha, Sancia, and Sanchia (), and the common patronymic is Sánchez and ...
(circa 895–929), King of Galicia
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Sancho I of León (died 966), two-time King of León
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Sancho I of Aragon (c. 1042 – 4 June 1094), second king of Aragon
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Sancho I of Astarac (fl. 1050–1096/1119), count of Astarac
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Sancho I of Portugal
Sancho I (born ; Coimbra, 11 November 115426 March 1211) also referred to as Sancho the Populator (), was King of Portugal from 1185 until his death in 1211. He was the second king of Portugal.
Sancho was the second but only surviving legitimat ...
(1154–1212), King of Portugal
{{hndis, Sancho 01