The 1979 PBA season was the fifth season of the Philippine Basketball Association (PBA).

• After a two-year absence of playing against each other in the championship between the league's most noted rivalry, Crispa and Toyota played once again in the finals during the All-Filipino Conference. Crispa prevailed in five games, winning the deciding game, 118–111 on July 7.
• On September 4, the visiting Washington Bullets, which lost to Seattle SuperSonics in the 1979 NBA Finals, played against a PBA All-Star Selection at the Araneta Coliseum in an exhibition game attended by Philippines First Lady Imelda Marcos, the Bullets with the line-up of hall of famers Elvin Hayes, Wes Unseld and among others, Greg Ballard, Dave Corzine and coach by Dick Motta, won the match, 133–123. The PBA selection, made up of one local player from each of the nine PBA teams that year, was coached by Baby Dalupan and reinforced by five imports. ^[1]
• Royal Tru-Orange won their first PBA title in the Open Conference by defeating Toyota Tamaraws, 102–101 in Game 4 for a 3–1 series win. Imports Otto Moore and Larry Pounds led the Orangemen as they became only the fourth team to win a championship in the 1970s apart from Toyota, Crispa and U/tex.
• Three different teams emerged champions in the league's fifth season as the Toyota Tamaraws avoided a third runner-up finish by winning the invitational championship against rival Crispa Walk Tall Jeans. ^[2]

The muses for the participating teams are as follows:

• All Filipino Conference: Crispa Redmanizers
• Open Conference: Royal Tru-Orange
• Invitational championship: Toyota Tamaraws
• Team with best win–loss percentage: Toyota Tamaraws (44–18, .710)
• Best Team of the Year: Toyota Tamaraws (3rd)

• Most Valuable Player: Atoy Co (Crispa)
• Rookie of the Year: Arnie Tuadles (Toyota)
• Mythical Five:
  • Robert Jaworski (Toyota)
  • Atoy Co (Crispa)
  • Ramon Fernandez (Toyota)
  • Arnie Tuadles (Toyota)
  • Philip Cezar (Crispa)

• Leopoldo Prieto (Commissioner)
• Domingo Itchon (President, Elizalde and Co., Inc.)
• Dante Silverio (Vice-President, Delta Motor Corporation)
• Walter Euyang (Treasurer, Universal Textile Mills)
• Jose Castro, Jr. (Executive Secretary)
• Pablo Carlos (Delta Motor Corporation)
• Valeriano "Danny" Floro (P. Floro and Sons)
• Emerson Coseteng (Mariwasa Group)
• Leonardo "Skip" Guinto (San Miguel Corporation)
• Porfirio Zablan (CFC Corporation)
• Carlos Palanca III (La Tondeña, Inc.)