Aetna, Inc. (/ˈɛtnə/; NYSE: AET) is an American managed health care company, providing a range of traditional and consumer directed health care insurance products and related services, including medical, pharmaceutical, dental, behavioral health, group life, long-term care, and disability plans, and medical management capabilities. Aetna is a member of the Fortune 100.

In 2005, the company had $1.1 billion in earnings.
Aetna's 2007 revenue, reported in 2008, was $27.6 billion.
Aetna's 2008 revenue, reported in 2009, was $31 billion.

Aetna provides health care, dental, pharmacy, group life, disability, and long-term care insurance and employee benefits, primarily through employer-paid (fully or partly) insurance and benefit programs, and through Medicare. Membership numbers: (as of March 31, 2008)

Aetna has spent more than $2.0 million in 2009 on lobbying. The company spent $809,793 between January 2009 and the end of March 2009—up 41 percent from the same period in 2008. Aetna's campaign contributions include more than $110,000 to US Senator Joe Lieberman (ID-CT) in 2009. From 2005 through 2009, Aetna contributed $56,250 to Senator Max Baucus (D-MT), chairman of the Senate Finance Committee, making Aetna the senator's seventh highest contributor over that time period.