Saint Randoald (also Rancald, Randaut; died 21 February 675) was prior of the Benedictine Moutier-Grandval Abbey under Germanus of Granfelden.

The Passio sancti Germani recounts the death of Saint Randoald and appears in the eleventh-century Vitae et passiones diversorum sanctorum.

[a] Written around 695 by Bobolène, a priest of Luxeuil Abbey, at the request of the religious brothers Chadoal and Aridius (contemporaries of Randoald), the manuscript is preserved in the Codex Sangallensis 551 ("Codex of Saint-Gall" 551), housed in the Abbey library of Saint Gall.

[2][3] Randoald was martyred together with Germanus by partisans of the Duke of Alsace, Eticho.

they caught up with them and executed them, one of the soldiers cutting Randoald's head off, while Germanus was pierced with a spear.