The Bhoys' boss has watched Vaughan in action in a number of times recently, but the Northern Irishman was coy when asked if he was looking to try and sign for the former Everton youngster.
"I'm not here to talk about one specific player," Sky Sports News quotes Lennon as saying.
"There were 22 players at Huddersfield vs. Burnley and 22 players at Bolton vs. Huddersfield. Maybe I wasn't specifically looking at James Vaughan. I've been linked with him and that's fine, people are putting two and two together.
"I have spoken to Mark Robins, I know Mark from my playing days. So it's not just James Vaughan I'm looking at but he is a player we think is a good player."
Vaughan has scored 12 goals this season.