Android 3.0 (Honeycomb) was released in February 2011, however not all of the devices that will get this update have received it yet. Each manufacturer and carrier needs to add their custom modifications before it can be officially released. Versions 3.1 and 3.2 have also been released.
This community wiki will list all of the known and rumored dates for devices. If you have an update make sure to follow the format that's been established, and the following guidelines:
If you don't have a high enough reputation score to edit the wiki (currently 100), leave your suggestion in a comment or answer and someone will update the list.
Note: It is currently unknown whether any Tablet that was released with a pre-Honeycomb version of Android will ever see an official Honeycomb release. Confirmation
Samsung Galaxy Tab
ASUS Eee Transformer TF101
Dell Streak 7
Note: It is currently unknown whether any phone will ever see an official Honeycomb release. Google have specifically stated that: