The 2004–05 Barangay Ginebra Kings season was the 26th season of the franchise in the Philippine Basketball Association (PBA).

Head coach Allan Caidic was promoted as team manager replacing Eric Altamirano. Altamirano replaced Ira Manaquis who served until first months of 2004.^[2][3] Caidic will be replaced by assistant coach Bethune Tanquingcen after five games into the 2004 Fiesta Conference.^[4][5]

The Barangay Ginebra Kings won the PBA's transition tournament called Fiesta Conference over Red Bull Barako, 3 games to 1, in the best-of-five title series for their first championship after seven long years, as the team celebrates its fifth overall title on July 7, 2004, defeating Red Bull, 103-86 in Game 4.

As the PBA entered its 30th season with the regular two-conference format, the Barangay Ginebra Kings repeated as champions, the first time in its franchise history, by winning the 2004–2005 Grand Matador Philippine Cup title over the Talk 'N Text Phone Pals, 4 games to 2.

Eric Menk became the first Ginebra player to win the Most Valuable Player (MVP) honors for the season. Menk also won the finals MVP and Best Player of the Conference Award.

2004–05 Barangay Ginebra Kings roster

Players	Coaches
Pos. # POB Name Height Weight DOB (YYYY–MM–DD) From G 1 David, Bal 5 ft 9 in (1.75 m) UST G 3 Valenzuela, Kim 5 ft 9 in (1.75 m) San Francisco State G/F 9 Santos, Rodney 6 ft 1 in (1.85 m) San Sebastian C 10 Adducul, Rommel 6 ft 6 in (1.98 m) San Sebastian G 12 Echavez, Edgar 5 ft 9 in (1.75 m) G 13 Helterbrand, Jayjay 6 ft 0 in (1.83 m) Kentucky State F 14 Calpito, Aramis 6 ft 5 in (1.96 m) San Sebastian F 16 Ballesteros, Ernesto 6 ft 3 in (1.91 m) UST C 22 Walkvist, James 6 ft 10 in (2.08 m) F/C 30 Menk, Eric 6 ft 6 in (1.98 m) Lake Superior State F 34 Noble, Miguel 6 ft 5 in (1.96 m) Utica G 47 Caguioa, Mark 6 ft 0 in (1.83 m) Glendale CC (CA) C 52 Seigle, Andy 6 ft 9 in (2.06 m) New Orleans F 80 Salvacion, Sunday 6 ft 3 in (1.91 m) St. Benilde G 88 Dimaunahan, Aries 6 ft 0 in (1.83 m) UST F 26 Ellis, Rosell (I) 6 ft 6 in (1.98 m) McNeese State F Reese, George (I) 6 ft 7 in (2.01 m) Ohio State F/C 21 Braggs, Torraye (I) 6 ft 8 in (2.03 m) Xavier C 5 Elisma, Ed (I) 6 ft 9 in (2.06 m) Georgia Tech C Brown, Andre (I) 6 ft 9 in (2.06 m) DePaul F/C Fuller, Hiram (I) 6 ft 9 in (2.06 m) Fresno State	Head coach Siot Tanquingcen Assistant coach(es) Binky Favis Juno Sauler Team manager Allan Caidic Legend (C) Team captain (CI) Commissioner's Cup Import (GI) Governors' Cup Import (EI) EASL Import (DP) Unsigned draft pick (FA) Free agent (IN) Inactive (S) Suspended (R) Rookie (I) Import Injured

^{GP – Games played}