List of former transcontinental countries

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This is a list of transcontinental former countries, i.e. countries which covered land on two or more continents, including islands associated with a continent other than the one where the country was based. The examples below are listed in chronological order^{[dubious – discuss]} with the number of continents covered in parentheses and the country's primary continent listed first. When a timespan is included, it is the time period in which the country was transcontinental.