The Football Federation Australia (FFA) claimed on Friday that it has been approached by the player's representatives for a short-term loan deal with an Australian club during the MLS off-season.
"No, definitely not true," the 37-year-old told reporters at the Home Depot Center after a training session on Friday.
"[Coach] Bruce [Arena] told me that this morning – the first I'd heard about it. Like I said, that's the first I'd heard of that, this morning."
Beckham's current contract with Galaxy runs until December 2013.