Cognomen Lanagan (Lanagan 
) , throughout the world, is a rare family name. The cognomen Lanagan is characteristic of Australia, where it is a rare surname, Ireland, and the United States. In absolute terms, it most frequently occurs in the United States, Australia, and the United Kingdom. Much less frequently, Lanagan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Lanagan | China, United Kingdom, Philippines, Australia, United States |
|
james f. lanagan American football coach, baseball player and coach, US (b. 1879) |
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margo lanagan Australian writer, AU (b. 1960) |
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| cathy lanagan researcher |
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| patrick lanagan |
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