Giving your forum an entirely new look and feel is easy — just download one of these great themes! There are even themes for the admin control panel.
Browsing All Themes

A MyBB GitHub like theme

A flat and simple responsive premium theme for free now!

eXe is a mobile compatible and desktop mybb theme.Applies to Mybb versions 1.8.X

Duende V3 - Fully responsive, tons of improvements

JAMPS - GamerZone Black Blue

Seriforn is a light MyBB theme, which is highly compatible with most of the popular MyBB 1.8.x plugins.
Elegant Free MyBB Multicolor Theme From MySkins Studio
Vbulletin 4 Like Mybb Theme

io Theme is a minimal, simple and free MyBB theme.

Themes for mobile suitable with GoMobile

Fully-responsive, elegant, Bootstrap-driven MyBB theme

Lightly designed theme. Simple and fast.

A dark theme for the admin control panel.

A basic upgraded version of the stock theme.

Responsive Modern Mybb Themes

ElwitchTheme is a theme for your mybb forum.

A darkness bassed default theme.