Why not have a fancy dress party and invite guests to wear Letter Y Costumes? Utilise this section to find fancy dress starting with the letter Y. Costumes starting with the letter Y range from yellow to Yoda and everything in between. A tricky letter this but we came up with the biggest and brightest idea. Yellow! This brilliant colour shade works well to make you stand out in the crowd. We have a large number of yellow characters ideal for this letter theme. Big Bird, Bananaman, and even Tweety Pie are a great twist. If yellow is not your colour then why not become the most wise and powerful Jedi of them all with our popular Yoda costume? Why not choose the Letter Y costumes as the theme for your alphabet party?