Marju (12 March 1988 – 11 October 2016) was a Thoroughbred racehorse and sire.

Marju was a dark bay or brown horse bred by Kilcarn Stud and owned by Hamdan Al Maktoum. He was sired by Last Tycoon out of Flame of Tara. He was a half-brother to Group One winner Salsabil.

Trained by John Dunlop, Marju raced 7 times during his career and was ridden by Willie Carson each time. He won 3 races including the Craven Stakes and the St. James's Palace Stakes, as well as finishing second to Generous in the 1991 Epsom Derby. He won a total prize money of £282,640.

Retired to stud duty at Derrinstown Stud, Ireland in 1992, Marju was shuttled to New Zealand in 2000 and to Australia in 2001-02, and pensioned at Derrinstown Stud, Ireland in 2011. He sired a number of stakes winners, including Soviet Song, My Emma, Sil Sila, Satono Crown, Viva Pataca and Indigenous.^[1] He is the grandsire of Ramonti and Not So Sleepy. Marju died of natural causes at his owner's Derrinstown Stud in Ireland on 11 October 2016.^[2] After his death, the last crop Japanese horse Satono Crown brought him honor by winning the Hong Kong Vase.