The request could place the government in a bind.
Tehran's rulers crushed protests against a disputed 2009 election and the opposition has not been able to stage rallies in more than a year. However, Iran's leaders have also come out in support of the Egyptian protesters, branding long-term Egyptian President Hosni Mubarak a traitor.
Iran's opposition website Kaleme reported Sunday that opposition figures Mir Hossein Mousavi and Mahdi Karoubi asked for permission for a Feb. 14 solidarity rally with protesters in Egypt and Tunisia.
Iran's opposition says the 2009 re-election of President Mahmoud Ahmadinejad was rigged.