Snyman suffered a knee injury in their loss to Glasgow in the URC.
Leinster have confirmed that RG Snyman's season has been ended by a knee injury.
The South African lock suffered ligament damage to his right knee in their loss to Glasgow in the URC.
Leinster head coach Leo Cullen is also sweating on the fitness of James Ryan, Tadhg Furlong and Garry Ringrose for their Investec Champions Cup clash with Edinburgh this weekend.

Ryder Cup Ticket Rush As Irish Fans Get First Access to Adare 2027
Leinster's Caelan Doris Nominated For Investec Player Of The Year 2026
Wednesday Morning Sports Update
Kildare Under20 Hurling Team To Play Wexford This Evening Named
ROI Womens Team Move Up To 22nd In The FIFA Women's World Rankings
Ireland Look To Build On Strong Start At French Olympic Sailing Week
Tuesday Morning Sports Update