EXHIBIT 8.1

Significant Subsidiaries of O2Micro International Limited
	O2Micro, Inc., a California corporation
	O2Micro Electronics, Inc., a Taiwanese company
	O2Micro International Japan Limited, a Japanese company
	O2Micro (Wuhan) Co., Ltd., a Chinese company
	O2Micro (Beijing) Co., Ltd., a Chinese company
	O2Micro (China) Co., Ltd., a Chinese company
	O2Micro Korea Ltd., a Korean company
	O2Micro (Chengdu) Co., Ltd., a Chinese company
	O2Micro (Shenzhen) Co., Ltd., a Chinese company
	O2Micro (Pingtan) Co., Ltd., a Chinese company