As discussed before in the post WordPress Themes there are many themes that can be categorized by Portfolio, Magazine, Class, etc.
WordPress Themes page with filter lists located on the top, circled

We’ll be suggesting four themes that are commonly used for the Category Portfolio.

  1. Fifteen: photography or portfolio based WordPress theme which is ideal for showcasing photos or artwork. With a Very Modern Design, this theme is 100% Responsive. 3 Column Grid Layout for Home and Archive Pages, make it look very stunning. It supports Featured images, Custom Widgets, Cool Animations, Full Width Pages and much more.
    Fifteen category includes: Mobile Friendly, Popular, Magazine, Portfolio
  2. Fontfolio: stylish, clean, responsive portfolio theme, perfect for typographers, illustrators, or graphic designers.
    Fontfolio category includes: Mobile Friendly, Portfolio
  3. Spun: minimalist, responsive theme that puts the emphasis on your content; extraneous navigation fades away to put your words and images front and center.
    Spun category includes: Mobile Friendly, Popular, Class, Portfolio
  4. Sixteen: artistic and responsive theme suitable for most blogs. It supports header image with a parallax effect. A responsive slider, customizable header and footer, grid layout for homepage, etc makes it one of the most unique WordPress themes.
    Sixteen category includes: Mobile Friendly, Popular, Magazine, Slider, Portfolio