For the Falklands the following countries are exempt for a visa, if the name of your country is not included, you WILL need a visa.
The following information is straight from : https://www.falklands.gov.fk/more-information/getting-here/
Andorra, Argentina, Australia, Austria, Belgium, Brazil, Bulgaria, Canada, Chile, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hong Kong, Hungary, Iceland, Ireland, Israel, Italy, Japan, (Republic of) Korea, Latvia, Liechtenstein, Lithuania, Luxembourg, Malta, Netherlands, New Zealand, Norway, Poland, Portugal, Romania, San Marino, Slovakia, Slovenia, South Africa, Spain, Sweden, Switzerland, Taiwan, United Kingdom, United States, Uruguay and the Vatican City.
If your country of nationality does not appear on the list above, it is highly likely you will require a Visa to visit the Falkland Islands. If you are unsure, please contact the Falkland Islands Government Customs & Immigration Office on +500 27340 or email email@example.com