Octavian "Tavi" Grigore (15 July 1964) is a Romanian professional football manager and former player.

Born in Urlați, Prahova County, Grigore played as a centre-back and spent his entire career at nearby team Petrolul Ploiești. He amassed totals of 519 matches and 74 goals during his 19 years with "the Yellow Wolves".

Following his retirement as a player, Grigore started his managerial career by coaching teams such as Unirea Urziceni, FCM Târgoviște or Dunărea Galați among others, but also returning to Petrolul Ploiești for several stints.

Petrolul Ploiești

• Divizia B: 1981–82, 1984–85, 1988–89
• Cupa României: 1994–95

Petrolul Ploiești

• Divizia B: 2002–03
• Liga IV – Prahova County: 2016–17

• List of one-club men

• Octavian Grigore at RomanianSoccer.ro (in Romanian)
• Octavian Grigore at WorldFootball.net