Lindsay Lohan is a most wanted woman ... because TMZ has learned a SECOND police department wants a chitchat with the actress to determine if she committed a crime by lying to cops.

Law enforcement sources tell us ... Santa Monica police detectives have been trying to get in touch with Lindsay to ask her questions about a car crash last June, when she slammed into a big rig on Pacific Coast Highway. Sources say Linsday's lawyer, Shawn Holley, called the station and complained that cops should not be calling Lindsay directly because she has an attorney.

Read the whole story at TMZ