The council met for its monthly debate on the Middle East just days after US President Donald Trump refused to certify the Iranian nuclear deal, leaving its fate to the US Congress.
"The United States has embarked on a course that attempts to address all aspects of Iran's destructive conduct - not just one aspect," Haley told the council.
"It's critical that the international community do the same."
The 2015 nuclear deal was unanimously endorsed in a Security Council resolution, placing the onus on the top UN body to uphold its implementation.
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Haley accused Iran of "playing" the council by complying with technical provisions of the nuclear deal while threatening peace and security in the Middle East with its "outlaw behaviour."
She pointed to arms sales and military support for warring sides in Yemen, Syria and Lebanon as examples of Iranian violations of UN resolutions and singled out Iran's missile launches as "the regime's most threatening act."
The new more aggressive US policy toward Iran provides an "opportunity" for the council to show that it will defend council resolutions, she argued.
"This council now has the opportunity to change its policy toward the Iranian regime," she asserted.
Haley's appeal, however, appeared to draw little immediate support.
Russian Ambassador Vassily Nebenzia tersely reminded Haley that the Middle East debate is aimed at tackling the Israeli-Palestinian conflict and that she "didn't even mention the word Palestine."
Turning to Iran, Nebenzia warned that "attempts to dismantle the architecture of the agreement on the Iranian nuclear program will lead to a negative reaction in the Middle East and beyond.
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