The winger is in the squad to face Manchester United after four months on the sidelines with a groin injury.
Redknapp, with his side in fourth place in the Premier League table with four games to go, said: 'He trained fully with us this week for the first time since the injury and it's going well.
He's back: Lennon is fit to play a part as Spurs chase a Champions League place
'He should be on the bench at least and it's great to have Aaron around again - not only for Tottenham but for England, too. It's good news.'
England manager Fabio Capello will be relieved to see Lennon back on the pitch after losing David Beckham to injury and Theo Walcott struggling to find his form with Arsenal.
The Italian names his 30-man provisional squad for South Africa in three weeks.
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