The 73-year-old died at the scene of the three-car collision in Budby Road, Cuckney, at around 10am on Saturday.
A second person in one of the other vehicles was taken to hospital with injuries that are not thought to be life-altering or life-threatening.
Officers investigating the incident are now appealing for anyone who may have witnessed the incident, or has any dash-cam footage, to get in touch.
Detective Constable Emma Temple, of Nottinghamshire Police’s Serious Collision Investigation Unit, said: “A woman has tragically lost her life following this incident in Cuckney and we have specialist officers supporting her family through this incredibly sad time.
“Our investigation is continuing into what happened and we would ask anyone who may have witnessed the incident, or has any CCTV or dash-cam footage, to get in touch with us on 101, quoting incident number 230 of 16 April 2022.”