In the first incident, a 40-year-old man, Nanhe and his wife, Anita Devi, were killed when the car carrying them rammed into a mud-laden tractor-trolley in Bhamaura police station area, police said.
Three other occupants of the car were injured, police said adding that the family had come from Badaun.
In the other accident, Brijpal Singh (35) and his wife Kunti Devi (30) were seriously injured in a motorcycle-truck collision near Semikhea petrol pump in Bahedi police station area last night.
Both were admitted to SRMS Medical College hospital where they succumbed to injuries today, police said.