The 64-year-old RFU chairman, a former British and Irish Lions captain, is the only nominee to succeed Frenchman Bernard Lapasset.
Former Argentina international Agustin Pichot is the only candidate to replace Oregan Hoskins as vice-chairman.
The elections will be held in Dublin on 11 May, with a simple majority required to be elected for a four-year term.
Lapasset is standing down to lead Paris's bid to win the right to host the 2024 Olympic Games.
Former England captain Bill Beaumont is set to be the chairman of the sport's governing body, World Rugby.