 On 2 September 2013, Lasogga signed a one-year loan deal with Hamburger SV.He scored a hat-trick in only his second start for Hamburg, playing against Nuremberg on 6 October 2013.He scored 15 goals in the 24 matches for the 2013–14 season, including on 18 May 2014, Lasogga scored an away goal in the 1–1 draw against Greuther Fürth in the Bundesliga relegation playoff, the goal kept Hamburg in the division on away goals after a 0–0 draw in the first leg.