William d'Aubigny, 1st Earl of Arundel

William d'Aubigny
Earl of Lincoln Earl of Arundel
Arms of d'Aubigny: gules, a lion rampant or
Spouse(s)	Queen Adeliza
Issue William d'Aubigny, 2nd Earl of Arundel Reynor d'Aubigny Henry d'Aubigny Geoffrey d'Aubigny Alice d'Aubigny Olivia d'Aubigny Agatha d'Aubigny
Father	William d'Aubigny
Mother	Maud Bigod
Died	12 Oct 1176
Occupation	Master butler of the Royal household

William d'Aubigny, 1st Earl of Lincoln and 1st Earl of Arundel (c. 1109 – 12 October 1176), also known as William d'Albini, William de Albini and William de Albini II, was an English nobleman. He was the son of William d'Aubigny "Pincerna" of Old Buckenham Castle in Norfolk, and Maud Bigod, daughter of Roger Bigod of Norfolk.

William fought loyally for King Stephen of England, who made him first Earl of Lincoln and then Earl of Arundel (more precisely, Earl of Sussex). In 1153 he helped arrange the truce between Stephen and Henry Plantagenet, known as the Treaty of Wallingford, which brought an end to The Anarchy. When the latter ascended the throne as Henry II, he confirmed William's earldom and gave him direct possession of Arundel Castle (instead of the possession in right of his wife (d.1151) he had previously had). He remained loyal to the king during the 1173 revolt of Henry the Young King, and helped defeat the rebellion.

In 1143, as Earl of Lincoln, he made two charters confirming a donation of land around Arundel in Sussex to the abbey of Affligem in Brabant (representing his wife Adeliza of Louvain), with William's brother, Olivier, present.

He was the builder of Castle Rising Castle at Castle Rising, Norfolk.