Lend your name to something - Idioms by The Free Dictionary
lend your name to something
lend (one's) name to (something)
To give one's formal and public support to something. Now that we've got a big movie star lending his name to our campaign, we're finally starting to get the traction we've wanted.
lend your name to something allow yourself to be publicly associated with something.
lend your ˈname to something (formal) let it be known in public that you support or agree with something: Famous actors sometimes lend their names to political causes.