HANOI, Aug 29 (Reuters) - Vietnam's rice exports in the January-August period are estimated to have risen about 23% from a year earlier to 5.9 million metric tons, government data showed on Tuesday.

Revenue from rice exports in the period is seen up 37.3% at $3.2 billion. August rice exports from Vietnam, one of the world's leading shippers of the grain, were estimated at one million metric tons, worth $582 million. (Reporting by Phuong Nguyen; Editing by Martin Petty)