General sites covering several Asian countries:
Association for Asian Studies Lists a variety of opportunities and numerous links.
Peace Corps: Asia The Peace Corps has a variety of opportunities available throughout Asian countries.
Princeton-in-Asia Paid English teaching, Science and Engineering teaching, international development (NGOs), journalism, and business positions for college graduates for one or two years.
Volunteers in ASIA Volunteer Programs in several Asian countries over the summer or up to two years. Financial assistance and fellowships available to defray some program costs.
Language Corps Teaching Programs in Cambodia, China, South Korea, Sri Lanka, Thailand, and Vietnam. Fee-based, some programs offer compensation.
Appalachians Abroad Teach in China Teach English at K-12 and higher education institutions; sponsored by Marshall University
Colorado China Council Web University teaching positions in the People's Republic of China for up to one year.
Westgate Corporation Internships Paid teaching internships in Japanese universities for 3 months
AEON Intercultural Corporation Recruits teachers for schools in Japan.
Hess Educational Organization Recruits teachers for over 100 schools around Taiwan