Terrell Owens can't find a football team ... or do the weather ... but he CAN open his wallet -- the former NFL'er just paid off a tax debt to the tune of $430,000.

TMZ broke the story ... Uncle Sam filed a federal tax lien against T.O. back in February for the years 2005 ($294,661.71), 2007 ($46,504.00), and 2009 ($97,747.81). Total debt -- $438,913.52.