Mr Spock - http://www.shopllap.com/category_s/1823.htm also he is selling his book http://rmichelson.com/book-order.html

Wow! This thread is going along nicely! Thank you so much for sharing!

I came across this GEM!

KATEY SAGAL!!!!!!! http://www.kateysagal.net/store_1.html

(Married with Children)

nice {up}

Jane Seymour: http://www.friendsofjane.com/faq.html#autograph

Evanna Lynch
Kenny Baker
Matthew Lewis
Mike Edmonds
Val Kilmer
Warwick Davis

http://www.thesignatureshop.co.uk/all-artists

Arianny Celeste - http://www.ariannyceleste.com/store/
Taylor Swift - http://store.taylorswift.com/
Bo Burnham - http://store.boburnham.com/
Brett Favre - https://www.officialbrettfavre.com/fan_store
Nolan Ryan - http://nolanryanfoundation.stores.yahoo.net/polonperit.html
Roddy Piper - http://www.rowdyroddypiper.com/shop.php
Carlene Cash - http://carlenecarterfanclub.com/contact.html
Bo Derek - http://officialboderek.com/Bopicsinfo.html
Tiffany Toth – http://www.tiffanytoth.com
Eddie Izzard - http://www.eddieizzard.com/contact/index.php
Clara Alonso - http://www.claraalonso.net/#!__page-0/contact
David Price – http://www.project14.org
Gary Carter – http://www.garycarter.org
Bella Twins - http://nicoleandbrianna.com/
Heather Rae Young – http://www.officialheatherraeyoung.com
Mei-Ling Lam – http://www.meilinglam.com/store
Hiromi Oshima – http://www.hiromioshima.com
Julie Newmar – http://www.julienewmar.com
Eric Bischoff – http://www.ericbischoff.com
Sarah Rae – http://www.sarah-rae.com
Britteny Palmer - http://brittneypalmer.com/store
Bret Hart – http://www.brethart.com
Laura Francese - http://www.laurafrancese.com/store.php

Jim Bruer: http://officialjimbreuer.com/shop/page/2/
Christopher Titus: http://christophertitus.com/products/
Frank : http://shop.frankcaliendo.com/categories/Signed/
Adam Carolla: http://adamcarolla.com/store/
Ben Gleib: http://bengleib.com/category/store/ (check out his headshot and the price! So funny!)
Lisa Landry - http://www.lisalandry.com/merchandise.html
Rob Little: http://www.roblittle.com/merch.html
Harald Williams: http://www.harlandwilliams.bigcartel.com/product/the-things-you-dont-know-you-dont-know-autographed

So, here are some Celebs that are either selling their autographs, or selling items(i.e. books etc) with their autographs on:

Mr. Data - Bret Spiner : http://www.therealbrentspiner.com/ (click store)
Katee Sackhoff - http://kateesackhoff.com/?page_id=1380
Candace Cameron Bure (from Full House) - http://candacecameronbure.net/
Kevin Smith: http://jayandsilentbob.com/ (lots of items, but he is making a KILLING on shipping!)

Please add if you know of others!