In a poll of nearly 10,000 readers, the Olympic gold medal winner collected 23.4% of the vote and is the favourite to take home the prestigious crown.
Tennis star Andy Murray, another Olympic gold medal winner, is currently Wiggins's closest rival with 21.5%.
Super Saturday gold medal winners Jessica Ennis (19.3%) and Mo Farah (17%) are also proving popular. Ellie Simmonds is the highest ranked Paralympic star with 4.7%.
Viewers will be able to pick the winner of the iconic award via a phone vote on the night of Sunday, December 16.
Other awards handed out during the evening will include Team of the Year, Coach of the Year, Overseas Sports Personality of the Year, Young Sports Personality of the Year, Lifetime Achievement, Helen Rollason Award and Sports Unsung Hero. Full voting details are on bbc.co.uk/sportspersonality
Sports Personality, which is being hosted by Sue Barker, Gary Lineker and Clare Balding, takes place at the ExCel Centre in London and will air live on BBC One.