$2

$2 primarily refers to banknotes, bills or coins, including:

Currency

 * Australian two dollar coin, which replaced
 * Australian 2 dollar note
 * Toonie, the Canadian two-dollar coin, which replaced
 * Canadian two-dollar bill
 * United States two-dollar bill, a current denomination of U.S. currency
 * Hong Kong two-dollar coin, the third-highest denomination coin of the Hong Kong dollar
 * New Zealand two-dollar coin, which replaced the two-dollar banknote

Other currencies with $2 banknotes, bills or coins are:


 * Bahamian dollar
 * Barbadian dollar
 * Belize dollar
 * Bermudian dollar


 * Cook Islands dollar


 * Fijian dollar


 * Samoan tālā
 * Singapore dollar
 * Solomon Islands dollar


 * Tuvaluan dollar


 * Tongan pa'anga
 * Argentine peso


 * Mexican peso
 * Uruguayan peso
 * Brazilian real

Other uses

 * $2, a formal parameter in some programming languages