The incident happened in Graham Terrace, Bishopbriggs at around 9.40pm.
Two men and a woman were arrested in connection with the incident.
The three victims, a 41-year-old woman and two 18-year-old men, were taken to Glasgow’s Royal Infirmary for treatment.
A spokeswoman for Police Scotland said: “Around 9.40pm on April 20, police were called to reports of an altercation which took place in Graham Terrace.
“A 41-year-old woman and two 18-year-old men were taken to Glasgow Royal Infirmary.
“Two men, aged 27 and 28, and a woman, 43, were arrested and charged in connection with the incident.”