On 9 January, Hammarby's mens team togheter with the womens team started the pre-seaon with a open training for supporters to visit at Hammarby IP where each team had one half of the pitch.[2][3]
On 22 January, the team began their training camp in Marbella, Spain. The women's team also participated in the camp, but overlapped with the men's team, arriving a bit later on February 5. All training sessions were held at Dama de Noche training facility, and both training sessions and matches were open to the public and media.[7]
On 27 January, Hammarby announced on their official website that Nathaniel Adjei has reached an agreement with French club FC Lorient. Hammarby stated on their website: "The deal is a loan with an option for Lorient to buy, triggered if certain sporting goals, outlined in the contract, are met. If not, Adjei could return to Hammarby in the summer. The French club also has the option to permanently purchase the central defender at any time during the loan period."[9] The Swedish tabloid Expressen reported on the possible total transfer fee to be 65 million SEK if certain bonus criterias is met.[10]Aftonbladet claimed the deal could be worth 80 million SEK.[11]
Between February 17 and March 4, 2024, Hammarby participated in the national cup, Svenska Cupen. The team was drawn into Group 7, with the draw taking place on November 25, 2023.[13] Hammarby played all three of their matches at their home ground, Tele2 Arena. Initially, they were scheduled for two home matches and one away match. However, following a request from GIF Sundsvall, the match scheduled for February 26 was moved to Tele2 Arena. The request was made by GIF Sundsvall due to safety concerns about conducting the match at available local venues.[14] The Swedish Football Association’s competition committee approved the change, with Hammarby being listed as the home team for this match. The match took place as scheduled, at 18:30 on February 26, 2024.
Hammarby was unable to advance from the group stage. They played 1 win, 1 draw, and 1 loss. They finished second in the group with 4 points, while Mjällby advanced from the group with 7 points.
Source: svenskfotboll.se(in Swedish) Rules for classification: 1) Points; 2) Goal difference; 3) Goals scored; 4) Head-to-head points; 5) Head-to-head goal difference; 6) Head-to-head away goals scored; 7) Play-off (Note: Play-off is only played if need to decide champion, teams for relegation or UEFA competition and will be played on a neutral ground). (C) Champions Notes:
^The 2024–25 Svenska Cupen winners will qualify for the Europa League first qualifying round. If the cup winners finish in the top three, the second Conference League qualifying round spot would be passed to the fourth-placed team.