Ricard Bourke, 9th Mac William Íochtar (English: /bɜːrk/; BURK; died in 1509) was an Irish chieftain and noble who was lord of Lower (North) Connacht, Ireland. Ricard was the son of Walter mac Thomas de Búrca (Walter Bourke), 3rd Mac William Íochtar (d.1440). He succeeded his brother, Theobald Bourke, 8th Mac William Íochtar (d.1503) as chieftain in 1503. Ricard was succeeded by Edmond de Búrca, 10th Mac William Íochtar (d.1514), the son of Ricard's cousin, Ricard Ó Cuairsge Bourke, 7th Mac William Íochtar (d.1479).