Gaston III. de Béarn (umro 1054.) bio je francuski vikont u srednjem vijeku.
Njegov je otac bio vikont Centule IV. de Béarn, a majka mu je bila vikontesa Angela, koja je izvršila poznatu donaciju."ANGELA. An undated charter records that "Centullus Gastonis vicecomes" refused to make reparations to Duke Sancho for his marriage to "Angelæ". According to Jaurgain, she was the daughter of Aner Loup Vicomte d’Oloron but he cites no primary source on which this is based. As a widow, she donated the church and village of Aubin to Sainte-Marie de Lescar."
Gaston je bio brat plemića Rajmonda – spomenut u jednoj povelji kao "Ramundus Centulli, frater Gastonis" – i Auriola.
1030. Gaston je oženio damu zvanu Adelajda,Europäische StammtafelnAdelajda je bila plemkinja Lomagnea ili Armagnaca. Njezino podrijetlo, nažalost, još uvijek nije potpuno razjašnjeno. koja mu je rodila sina, Centulea V., grofa Bigorre.BEATRIX (Medieval Lands)GASTON de Béarn (-killed in battle near Valencia 1130)
Bio je djed Gastona IV. Izvori i bilješke
Pierre Tucoo-Chala, Quand l'Islam était aux portes des Pyrénées, J&D Editions, Biarritz, 1994. ()
Kategorija:Vikonti Béarna