South Korea has working holiday arangments with Australia, Canada, Japan and New Zealand.
You will need to contact your local embassy for working holiday information.
Nationals from the following countries may stay in Korea for 30 to 90 days without a visa:
Andorra, Antigua-Barbuda, Argentina, Australia, Austria, Bahamas, Barbados, Belgium, Brazil, Brunei, Bulgaria, Canada, Chile, Colombia, Costa Rica, Croatia, Cyprus, Czech, Denmark, Dominica, Dominican Republic, Ecuador, Egypt, El Salvador, Estonia, Fiji, Finland, France, Germany, Greece, Grenada, Guam, Guatemala, Guyana, Haiti, Honduras, Hong Kong, Hungary, Iceland, Ireland, Israel, Italy, Jamaica, Japan, Kiribati, Kuwait, Latvia, Lesotho, Liberia, Liechtenstein, Lithuania, Luxembourg, Macau, Malaysia, Malta, Marshall islands, Mauritius, Mexico, Micronesia, Monaco, Montenegro, Morocco, Nauru, Netherlands, New Caledonia, New Zealand, Nicaragua, Norway, Oman, Palau, Panama, Paraguay,Peru, Poland, Portugal, Qatar, Romania, Samoa, San Marino, Saudi Arabia, Singapore, Slovakia, Solomon Islands, South Africa, Spain, St. Kitts and Nevis, St. Lucia, St. Vincent, Suriname, Swaziland, Sweden, Switzerland, Taiwan, Thailand, Trinidad-Tobago, Tunisia, Turkey, UAE, United Kingdom,Uruguay, USA, Vatican, Venezuela and Yemen.
South Korean Visa Regulations
South Korean Embassies and Consulates