According to The Sunday Times, the Duchess will be the patron of the All England Lawn Tennis and Croquet Club, hosts of Wimbledon.
The Queen will step down from the position, which she has held for 64 years.
Kate is said to be crazy about tennis and a regular in the royal box during the Wimbledon Championships.
The Queen is reportedly offloading a number of her sporting related roles as she approaches her 90th birthday.
She will also be involved in her first ever solo interview in June to give the Queen her birthday wishes.