No, but depending on the model of Amiga you have you could buy something like this:
http://www.macpower.com.tw/products/peripherals/dd/tc_beigeActually most baybus type fan controllers work with the Amiga as they are system independant.
(I have this DigiDoc 5 in my PC, it's basically a small PCB which you could hack in any Amiga if you are handy enough)
