FI or fi may refer to:
Finland ( ( listen); Finnish: Suomi [suo̯mi] ( listen); Swedish: Finland [ˈfɪnland]), officially the Republic of Finland (Finnish: Suomen tasavalta, Swedish: Republiken Finland) is a sovereign state in Northern Europe.
Fish are gill-bearing aquatic craniate animals that lack limbs with digits. They form a sister group to the tunicates, together forming the olfactores.
Mozilla Firefox (or simply Firefox) is a free and open-source web browser developed by Mozilla Foundation and its subsidiary, Mozilla Corporation.
In mathematics, the Fibonacci numbers are the numbers in the following integer sequence, called the Fibonacci sequence, and characterized by the fact that every number after the first two is the sum of the two preceding ones:
Fiji ( ( listen) FEE-jee; Fijian: Viti [ˈβitʃi]; Fiji Hindi: फ़िजी), officially the Republic of Fiji (Fijian: Matanitu Tugalala o Viti; Fiji Hindi: फ़िजी गणराज्य), is an archipelagic state in Melanesia in the South Pacific Ocean about 1,100 nautical miles (2,000 km; 1,300 mi) northeast of New Zealand's North Island.
The financial crisis of 2007–2008, also known as the global financial crisis and the 2008 financial crisis, is considered by many economists to have been the worst financial crisis since the Great Depression of the 1930s.