The 32-year-old American won 11 titles in total during 2013 – including the French Open, the US Open and the WTA Championship.
The 17-times Grand Slam winner, who played won 78 matches during the season and lost only four, picked out her victory at Roland Garros as her favourite moment.
"Well, obviously the French Open was probably the thing that stands out most," she told the WTA website.
"I really wanted to win that for a number of years now, so that was definitely something exciting. And also being undefeated on clay was pretty exciting too. So my results on clay this year definitely stand out.
"Overall I'll remember the wins, but I also want to learn from my mistakes so I don't repeat them."
Serena also won the player of the year award in 2002, 2008, 2009 and 2012.
She won a staggering $12,385,572 in prize money during the season and February became the oldest world number one of all time.
- Sports & Recreation