Dato'' Tan Chin Nam (born c. 1926) is an entrepreneur and developer in Malaysia and an owner of Australian-based Thoroughbred racehorses. His family is the majority shareholder of IGB Corporation Berhad.

Tan is reportedly one of the richest men in Malaysia and has several companies and businesses. He is famous as a property developer and was involved in various projects such as Shangri-La Hotel in Malaysia, shopping centres in Singapore and Malaysia (including one of the largest shopping malls in the world, Mid Valley Megamall in Malaysia), the renovation of Queen Victoria Building (QVB) and Capitol Theatre in Sydney. His biography released in 2006 is called "Never Say I Assume!", published by MPH, Malaysia.

Thoroughbred horse racing
The principal owner for one of Australia''s most successful horse trainers, Bart Cummings, Tan has had a successful working relationship with Cummings for more than thirty years.

He owns at least a share in most of Cummings''s well known horses including Think Big, winner of back-to-back Melbourne Cups in 1974 and 1975, as well as the multiple Group One winner, Saintly.

Tan owns a stud farm located along the Wingecarribee River at Burradoo, New South Wales that he named Think Big Stud.

The Dato Tan Chin Nam Stakes at Moonee Valley Racecourse in Melbourne is named in his honor.

Tan is retired, leaving his multi-billion business to a new generation. He is the owner of the 2008 Melbourne Cup winner Viewed (now deceased), 2009 Crown Oaks winner, Faint Perfume and 2009 and 2010 Cox Plate winner So You Think.

(Andrew Beattie, with thanks to Wikipedia)