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eBay
Popularity: 
If you are looking for clothing auction, the first web site you want to check should be eBay.com.
As the nation's largest online auction site, eBay.com has a huge selection of clothing to bid for. You can bid on men's clothing, women's clothing, or children's clothing. Popular categories for women's clothing include dresses, coats and jackets, tops, sweaters, jeans, pants, activewear, jumpsuits & rompers, t-shirts, and skirts. Popular categories for men's clothing include coats & jackets, shirts, jeans, hoodies & sweatshirts, pants, activewear, dress shirts, sweaters, casual shirts, and big & tall.
The clothes on auction has various conditions, like new with tags, new without tags, new with defects, and preowned.
ShopGoodWill
Popularity: 
ShopGoodWill is a very popular online auction site to bid for clothing.
The site has a vast selection of attire for auction. When we visited the site, it has over 100,000 items listed in the clothing category for auction.
Its categories are similar to those of eBay, with some differences. For instance, there's a separate category for junior's clothes. For women's clothes, ShopGoodWill also has categories for intimates, maternity, and swimwear.
LiveAuctioneers.com
Popularity:
LiveAuctioneers.com is a wildly popular online auction site with lots of clothes to bid for.
The clothing for auction is offered by many sellers. One reason we like LiveAuctioneers.com is its strong feedback system. You can often find dozens of, or even hundreds of, reviews of sellers, to help you decide if you want to participate the auctions.
When we visited the website, we found only limited selections in men's clothing. However, there were over 1,500 items for auction in women's clothing.
EBTH
Popularity: 
EBTH stands for Everything But The House. You often can find a nice selection of clothing to bid for.
When we visited the website, popular clothes on auction included St. John evening paillette embellished knit dress and matching bolero jacket, Helen of California wool lace dress with Jefri metallic jacquard cocktail dress, velvet and lace bias-cut evening gowns circa 1930, and Burberry London quilted green jacket with "house check" lining.
GovDeals
Popularity:
GovDeals is an online auction site for government and educational agencies. You often can find some clothes for auction.
Attire is often auctioned in lot, and each lot often contains 10 or more items. You also have to pick the items locally or use a third-party service provider for the purpose.
Liquidation.com
Popularity:
Liquidation.com is an online auction site for business to buy on surplus inventory. You can also find clothing for auctions in bulk quantity.
It's a wholesale auction site, and you have to bid on items in large quantality. So, it's not ideal choice for individual consumer. But if you run a business, and look for wholesale clothing auction, you may take a close look at the site.