According to BuddyTV, many think that the answer to this question is yes.
At the end of the current season of Smallville - its 7th - the contracts of Michael Rosenbaum, Allison Mack and Kristin Kreuk will be up for renewal.
The general feeling of fans surveyed seems to be that while Lex and Chloe should stick around, Lana has overstayed her welcome and should not return.
What do you guys think? Are you sick of Lana?
Source: Buddy TV