what is cato's last name in the hunger games

Cato’s last name is not canonically confirmed in The Hunger Games books or films. Some fan sources and wikis use “Hadley” , but that is not an official name from Suzanne Collins’ canon.

What’s official

• In the original canon, he is just Cato.
• Official material does not clearly give him a confirmed surname.

Why people say “Hadley”

• “Cato Hadley” appears in fan discussions and some fan-maintained wikis.
• That usage is popular, but it should be treated as fanon , not confirmed canon.

Quick answer

• Official answer: no confirmed last name.
• Common fan answer: Hadley.

TL;DR: Cato’s last name is not officially established ; Hadley is a common fan-used surname.