Eleanor Maltravers, Lady Arundel (~1345 - January 12, 1405, was an English noblewoman during the reigns of King Edward III of England and his successors.

The younger daughter of John Maltravers and his wife Gwenthin, she was co-heiress in 1350 to her brother, Henry Maltravers. She married Sir John Fitzalan, 1st Lord of Arundel. They had five sons, John De Arundel, William Arundel, K.G. Arundel, Thomas Arundel, Henry Arundel, and Richard Arundel , and two daughters, Joan Arundel who married William Echingham, and Margaret Arundel , who married William Roos . She was a legatee in the 1375 will of her step-grandmother, Agnes, Lady Maltravers. She was sole heiress in or after 1383 to her sister, Joan Maltravers, wife of Robert Roos, by which she became Lady Maltravers. Sir John Fitzalan died at sea on December 15, 1379. Eleanor married secondly (as his second wife) Sir Reynold Cobham , 2nd Lord Cobham of Sterborough (died July 6, 1403), but in 1384 they were divorced on account of their consanguinity and subsequently allowed to remarry with proper dispensation. On her death, Eleanor was buried with her first husband, John Fitzalan.