| Name | Book/story/stage title | Notes
|
| Yaxley, Lord | | Commonly, George Wooster, Bertie's uncle
|
| Yeardsley, Bill | Doing Clarence a Bit of Good | Friend of Reggie Pepper
|
| Yeardsley, Clarence | Doing Clarence a Bit of Good | A good painter
|
| Yeardsley, Elizabeth | Doing Clarence a Bit of Good | Clarence's wife, Bill's sister
|
| Yeardsley, Matthew | Doing Clarence a Bit of Good | A poor painter, Elizabeth's father
|
| Yorke, Jane | Lord Emsworth Acts for the Best | Tried to break up Aggie Donaldson's marriage
|
| Yorke, Leila | Ice in the Bedroom | A successful novelist
|
| Yost, Charlie | Do Butlers Burgle Banks? | Safe-cracker and gunman
|
| Yvonne | Sir Agravaine | Ye damsel in distress
|
