Thames Valley Police has charged a man with one count of wounding with intent.
Jadu Daniel Lynch, aged 39, of no fixed abode, was charged on Saturday, having been arrested on June 28.
The charge relates to an incident which occurred at about 10pm on 5 June in the park area between Coffee Hall and Leadenhall, Milton Keynes.
A man was stabbed and received serious injuries. He was taken to hospital and has since been discharged.
Lynch has been released on bail and will appear at Milton Keynes Magistrates’ Court on 8 November.