Summary of the QCD and Final States in DIS and Hadron Colliders working group

The talks given during the "QCD and Final States in DIS and Hadron Colliders" working-group sessions are summarised. The contributions included the latest precision measurements on QCD and final states from colliders experiments at TeVatron (CDF and DØ) and HERA (H1 and ZEUS) and many new results from the HERMES, COMPASS, PHENIX, Belleand BaBar experiments. The first results from LHC were also shown by the ALICE, ATLAS, CMS and LHCb Collabo- rations. The most recent theoretical developments were also presented; the recent developments on next-to-next-to-leading order QCD, resummation, Monte Carlo models, fits to determine the proton PDFs and new calculations of prompt-photon production were discussed.