Richard Lambart

Richard Lambart may refer to:

• Richard Lambart, 2nd Earl of Cavan (1628–1691), Member of Parliament for Kilbeggan
• Richard Lambart, 4th Earl of Cavan (died 1742), Irish peer
• Richard Lambart, 6th Earl of Cavan (died 1778), Anglo-Irish peer and soldier
• Richard Lambart, 7th Earl of Cavan (1763 – 1837), British military commander throughout the Napoleonic era and beyond

• Richard Lambert (disambiguation)