Harta (ハルタ, Haruta), formerly known as Fellows!, is a Japanese seinen manga magazine published by Enterbrain.

In December 2012, Enterbrain announced a revamp on the magazine beginning with its February issue in 2013 with the publication changing its name of Fellows!

to Harta and also changing its frequency from bimonthly to ten issues per year from February to August and then October to December.

A spin-off web magazine titled Harta Alternative began publication in April 2023.

The web magazine's launch commemorates the 10th anniversary of Harta.