Micky Arison (Hebrew: מיקי אריסון; born June 29, 1949) is an Israeli-American billionaire businessman and chairman of Carnival Corporation, the world's largest cruise operator. From 1979 until 2013, he was also the company's chief executive officer. Arison is also the owner of the NBA's Miami Heat, which under his ownership has won three NBA Championships.

Arison was born on June 29, 1949, in Tel Aviv, Israel, the son of Ted Arison, co-founder of Carnival Corporation. His sister is Shari Arison. He also has a brother, Kames Arison.

Arison attended the University of Miami School of Business at the University of Miami but left school to become a sales representative for Carnival Corporation.

Arison has been the owner of the Miami Heat since 1995. During his ownership, Arison hired Pat Riley as the team's head coach (and later team president) and under Arison's ownership the team has won three NBA championships (2006, 2012, and 2013).

In 2009, he earned $7,201,110, which included a base salary of $880,000, a cash bonus of $2,206,116, stocks granted of $3,618,481, and other compensation totaling $496,513.

As of March 2025, Arison's wealth was calculated at $8.65 billion.

In 2024, he was ranked at #137 on the Forbes 400 list of wealthiest individuals.

Arison is married to Madeleine Arison, and they have two children. Their son Nick Arison is chief executive officer of the Miami Heat.