The tiny but strategic Gulf state, a former British protectorate and home base of the US Fifth Fleet, has been racked by persistent unrest since its Sunni rulers bloodily suppressed an uprising by its Shiite majority in 2011.
Western governments have repeatedly appealed publicly for reform and reconciliation but those calls have gone unheeded and in recent months the crackdown on dissent has intensified.
On Sunday, a court dissolved Al-Wefaq, the largest faction in parliament before 2011, accusing it of fanning violence in Shiite areas.
But Bahrain was unrepentant, issuing a statement late on yesterday hitting back at its Western allies.
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"Such statements and positions are unacceptable interference in the internal affairs of the kingdom of Bahrain, and in the decisions of the Bahraini judicial process, which provides all necessary standards of justice, fairness, transparency and independence," the foreign ministry said.
The "statements are unjustified and only give encouragement to groups which support extremism and terrorism," it added.
The ministry said it hoped "friendly and allied countries take into account the interests" of Bahrain, just as it "is keen to take into account the interests of all allies and partners in order to preserve their distinctive historical relations, and to ensure security and stability in the region."
US Secretary of State John Kerry said the Al-Wefaq ban was the "latest in a series of disconcerting steps in Bahrain."
He called on Bahrain to "reverse these and other recent measures (and) return urgently to the path of reconciliation.