Abendanon, 25, who made his Test debut against South Africa in 2007, has made more than 150 appearances for Bath and is a current member of the England Saxons squad.
"I am extremely happy to sign another contract at Bath," Abendanon said.
"This is where my home is, and I love being involved with a club that has huge ambitions to win trophies both in England and in Europe.
"I have real faith in the team we are building here, and I feel that in the coming years we will have trophies to prove it."
And Bath rugby director Sir Ian McGeechan added: "Nick is a very important member of the squad, both on and off the field, and his performances in the last two seasons, especially, have been consistently excellent."
Gilbert has released a new line of rugby cleats. The Gilbert Virtuo 8S is part of the exciting new product. Check it out.
The entire All Blacks apparel line has been updated for 2013/14. Check out the New Zealand All Blacks polo.
The Nike Tiempo is a solid rugby cleat and one of few styles still made from full-grain natural leather.
The Gilbert Blitz 8S rugby cleat is a great cleat at a great price of $69.99. Get a new pair of cleats today.
A cool looking all black rugby cleat with the high performance adidas is known for. Get in the Gear!
Wear the crest of the British and Irish Lions on your t-shirt. A great look for the summer.
The All Blacks Performance t-shirt is black with hints of blue from the training jersey. Very Cool.
The New Zealand All Blacks training jersey for 2013/14. Get in the Gear!
The USA Rugby Pro Alternate rugby jersey is perfect for any fan of the Eagles. Get yours to wear during the summer Test matches.
The NEW All Blacks 2013/14 jersey has arrived at World Rugby Shop. Dare to wear the colors of the All Blacks.