Themify.me [有料] [海外]
http://themify.me/themes
WPZoom [有料] [海外]
http://www.wpzoom.com/themes/
themefuse [有料] [海外]
http://themefuse.com/wp-themes-shop/
Minimal WP [有料] [国内]
http://minimalwp.com/
Theme Forest（WordPress） [有料] [海外]
http://themeforest.net/category/wordpress
テンプレートモンスター [有料] [海外]
http://www.templatemonster.jp/wordpress.php