For the currently unsupported ordinary-passport cohort below, Cambodia's current official Embassy guidance establishes issuance of a visitor visa directly on arrival rather than relying on eVisa-portal universality.
160 passport nationalities covered
Andorra, United Arab Emirates, Antigua and Barbuda, Albania, Armenia, Angola, Argentina, Austria, Azerbaijan, Bosnia and Herzegovina, Barbados, Belgium, Burkina Faso, Bulgaria, Bahrain, Burundi, Benin, Bolivia, Brazil, The Bahamas, Bhutan, Botswana, Belarus, Belize, Canada, Congo (Dem. Rep.), Central African Republic, Congo (Rep.), Switzerland, Côte d'Ivoire, Chile, Cameroon, Colombia, Costa Rica, Cuba, Cape Verde Islands, Cyprus, Czechia, Djibouti, Dominica, Dominican Republic, Ecuador, Estonia, Egypt, Eritrea, Spain, Ethiopia, Finland, Fiji, Micronesia, Gabon, United Kingdom, Grenada, Georgia, Ghana, The Gambia, Guinea, Equatorial Guinea, Greece, Guatemala, Guinea-Bissau, Guyana, Honduras, Croatia, Haiti, Hungary, Israel, India, Iceland, Jamaica, Jordan, Kenya, Kyrgyzstan, Kiribati, Comoro Islands, St. Kitts and Nevis, North Korea, Kuwait, Kazakhstan, Lebanon, St. Lucia, Liechtenstein, Liberia, Lesotho, Lithuania, Luxembourg, Latvia, Libya, Morocco, Monaco, Montenegro, Madagascar, Marshall Islands, North Macedonia, Mali, Mongolia, Mauritania, Malta, Mauritius, Mexico, Mozambique, Namibia, Niger, Nicaragua, Nepal, Nauru, New Zealand, Oman, Panama, Peru, Papua New Guinea, Poland, Palestinian Territory, Portugal, Palau Islands, Paraguay, Qatar, Romania, Serbia, Russian Federation, Rwanda, Solomon Islands, Slovenia, Slovakia, Sierra Leone, San Marino, Senegal, Somalia, Suriname, South Sudan, São Tomé and Príncipe, El Salvador, Syria, eSwatini, Chad, Togo, Tajikistan, Timor-Leste, Turkmenistan, Tunisia, Tonga, Türkiye, Trinidad and Tobago, Tuvalu, Tanzania, Ukraine, Uganda, United States, Uruguay, Uzbekistan, Vatican City, St. Vincent and the Grenadines, Venezuela, Vanuatu, Samoa, Kosovo, Yemen, South Africa, Zambia, Zimbabwe