Don’t bank on much merger and acquisition activity among financial institutions — at least for the next year and half.

M&A specialists and bankers tell The Post that corporate tie-ups among banks will be limited to distressed opportunities, in which bigger banks can pick up the pieces of their fallen rivals.

Healthy bank mergers may have to wait until 2012.

Sources say that the changing landscape of the regulatory environment is serving as a big impediment, with banks are taking flack from Washington over being “too-big-to fail.”