Đào Thiên Hải (born 10 May 1978 in Sa Đéc) is a Vietnamese chess player and trainer.
Đào made his international debut at the age of 11 in the 1989 World Junior Championship in Tunja, Colombia, finishing in equal 30th place with a score of 6/13.
At the 2000 event in New Delhi, he defeated Ruslan Ponomariov but lost to Michael Adams in the second round.
[4] In 2005 Đào competed in the FIDE World Cup, where he was knocked out in round 1 by Sergei Rublevsky.
In 2006 he won the 3rd IGB Dato' Arthur Tan Malaysia Open in Kuala Lumpur.