The singer is calling on her fans to buy special bracelets, available at her online store.
The bracelets read: "We Pray For Japan" and are selling for $5 with the option to make an additional donation.
This is not the first time the pop star has used her name to raise awareness for a cause.
Last year she spoke out against the military's "Don't Ask, Don't Tell" policy.
You can buy the bracelets at ladygaga.com