I have two Launchpad accounts. Can I merge them?

If you already have a Launchpad account, claiming a second account that belongs to you is easy:

Step 1: Log in to Launchpad using the account you would like to keep.

Step 2: Visit https://launchpad.net/people/+requestmerge

Step 3: Enter the name or email address of the duplicated account.

Step 4: Launchpad will now send a message to each email address registered for that account. Follow the instructions in the confirmation message and the merge will be complete. All information (translations, bugs, etc.) associated to that account will be transferred to your Launchpad account.

This process is also described here: https://help.launchpad.net/YourAccount/Merging

If you no longer have access to any of the email addresses registered for your duplicate account, file a support request:

https://answers.launchpad.net/launchpad/+addquestion