A pet hair grooming assembly for brushing and subsequently collecting pet hair includes a brush that can be manipulated for grooming pet hair. The brush has a first end, a second end and an outer wall extending therebetween. The first end is open to pass air inwardly therethrough and the brush is hollow. Additionally, the brush has a hair chamber therein for collecting pet hair. A brush head is removably coupled to the brush for brushing the pet hair and thusly dislodging loose pet hair. A suction unit is positioned in the brush. The suction unit urges air into the brush when the suction unit is turned on thereby facilitating the hair chamber to collect the loose pet pair.