The following is a list of American Muslim extremists charged, convicted or sentenced in 2011 on terrorism-related offenses, ranging from providing material support to foreign terrorist organizations to plotting violent attacks in the U.S. The list also includes other Americans involved in terrorist plots and activities with terrorist organizations whose ideologies are rooted in radical interpretations of Islam. Those who were charged and later acquitted of terror-related offenses are not included in the list.

• December 21, 2011 – California – U.S. permanent resident Oytun Ayse Mihalik is charged with providing material support to terrorists for sending money to an individual in Pakistan.  Mihalik, who was taken into custody on August 27, 2011, was originally indicted for making false statements during a terrorism investigation.

• December 20, 2011 – Massachusetts – American citizen Tarek Mehanna is convicted of conspiracy to provide material support to Al Qaeda, conspiracy to commit murder in a foreign country and other charges. 

• December 20, 2011 – North Carolina – American citizen Dylan Boyd is sentenced to eight years in prison after pleading guilty to conspiring to support terrorists.  His brother, Zakariya Boyd, is also sentenced to nine years in prison for his role in the plot.

• December 8, 2011 – Washington – American citizen Walli Mujahidh pleads guilty to conspiracy kill U.S. officers and to use weapons of mass destruction in a plot to attack a Military Entrance Processing Center in Seattle.

• December 2, 2011 – Virginia – Jubair Ahmad, a U.S. permanent resident from Pakistan, pleads guilty to charges of providing material support to Lashkar-e-Taiba by producing a video on its behalf.

• December 1, 2011 – California – U.S. permanent Resident Nima Ali Yusuf pleads guilty to providing personnel and money to Al Shabaab, an Al Qaeda-linked terrorist organization based in Somalia.

• November 19, 2011 – New York – Jose Pimentel, a naturalized American citizen from the Dominican Republic, is arrested and charged for allegedly planning to attack military personnel and other targets in the United States.

• November 14, 2011 – Texas – American citizen Barry Walter Bujol, Jr. is convicted on charges of attempting to provide material support to Al Qaeda in the Arabian Peninsula among other charges. 

• November 8, 2011 – Texas – American citizen Naser Jason Abdo is indicted on additional charges of attempted use of a weapon of mass destruction, attempted murder of United States officers or employees, and four additional weapons charges in connection with a plot to attack Fort Hood military personnel.

• October 20, 2011 – Pennsylvania – An unsealed indictment charges Mohammad Hassan Khalid, a legal permanent resident from Pakistan, with conspiracy to provide funds and recruit terrorists for jihad in South Asia and Europe.

• October 20, 2011 – New York – Naturalized American citizen Manssor Arbabsiar is indicted with Iranian Gholam Shakuri for a plot to assassinate the Saudi Ambassador to the United States.

• October 20, 2011 – Minnesota – American citizens Amina Farah Ali and Hawo Mohamed Hassan are convicted of conspiring to provide material support to Al Shabaab.

• October 13, 2011 – North Carolina – American citizens Mohammad Omar Aly Hassan, and Ziyad Yaghi convicted on charges of conspiring to provide material support to terrorists. Yaghi is also convicted of conspiring to murder, kidnap, maim and injure people. 

• October 13, 2011 – North Carolina – Hysen Sherifi, a U.S. permanent resident from Kosovo, is convicted on weapons charges and for conspiring to murder federal employees in a plot to attack a Quantico military base. He is also convicted of conspiring to murder, kidnap, maim and injure people. 

• October 11, 2011 – New York – Naturalized American citizen Manssor Arbabsiar is charged with Iranian Gholam Shakuri for a plot to assassinate the Saudi Ambassador to the United States. Arbabsiar was arrested on September 29, 2011. Shakuri remains at large, presumably in Iran.

• September 29, 2011 – Massachusetts – American citizen Rezwan Matin Ferdaus is indicted for plotting an attack on the Capitol and Pentagon using model airplanes, among other charges.  He was arrested the previous day.

• September 8, 2011 – New York – Agron Hasbajrami, a legal resident from Albania is indicted for sending money to and attempting to join a terrorist organization. He was arrested two days earlier at JFK International Airport.

• September 14, 2011 – North Carolina – American citizen Dylan Boyd pleaded guilty to conspiring to provide material support to terrorists.

• September 2, 2011 – Virginia – Jubair Ahmad, a legal permanent resident from Pakistan, is arrested on charges of providing material support to Lashkar-e-Taiba by producing a video on its behalf.

• August 9, 2011 – Pennsylvania – American citizen Emerson Begolly pleaded guilty to solicitation of acts of terrorism and possession of a firearm during a crime of violence.

• July 29, 2011 – Texas – American citizen Naser Jason Abdo was charged with illegal possession of a bomb in connection with a plot to attack Fort Hood military personnel.  Abdo was arrested on July 27, 2011 after a gun store employee alerted police to his suspicious activity.

• July 25, 2011 – Arkansas – Abdulhakim Mujahid Muhammad pleaded guilty to charges of murder and attempted murder and was sentenced to life without the possibility of parole.

• July 22, 2011 – New York – Mohammed Zazi, a naturalized U.S. citizen from Afghanistan, is convicted on charges of making false statements to federal authorities investigating a plot to detonate explosives in the U.S. and destruction of evidence. 

• July 18, 2011 – Minnesota – Omer Abdi Mohamed, a legal permanent resident from Somalia, pleaded guilty to conspiring to provide material support to Al Shabaab.

• July 14, 2011 – Virginia – American citizen Emerson Begolly is indicted on terror-related charges for allegedly using the Internet to encourage violence against Americans.

• July 7, 2009 – New York – American citizen Betim Kaziu is convicted of conspiring to join a foreign terrorist group with links to Al Qaeda.

• June 29, 2011 – New York – James Cromitie, David Williams and Onta Williams, all American citizens, were sentenced to 25 years in prison for plotting to attack two synagogues in the Bronx and to shoot down planes at a military base in Newburgh, New York.

• June 23, 2011 – Washington – Abu Khalid Abdul-Latif (a.k.a. Joseph Anthony Davis) and Walli Mujahidh (a.k.a. Frederick Domingue, Jr.), both American citizens, are charged with plotting to attack a Military Entrance Processing Center in Seattle with automatic weapons and grenades. They were arrested the day before.

• June 22, 2011 – Ohio – Amera Akl, a dual American Lebanese citizen, is sentenced to 40 months in prison for conspiring to provide material support to Hezbollah.  

• June 15, 2011 – New York – Ahmed Ferhani, a legal resident from Algeria, and Mohammad Mamdouh, a naturalized U.S. citizen from Morocco, are charged for plotting to attack a synagogue in New York City.

• June 10, 2011 – Ohio – American citizen Ahmed Hussein Mahamud is arrested and charged with providing material support to Al Shabaab, an Al Qaeda-linked terrorist organization based in Somalia.

• June 7, 2011 – North Carolina – American citizen Zakariya Boyd pleaded guilty to one count of conspiracy to provide material support to terrorists. 

• May 23, 2011 – Ohio – Hor Akl and Amera Akl, an Ohio couple who both hold dual American and Lebanese citizenship, pleaded guilty to charges that they provided material support to Hezbollah.

• May 14, 2011 – Florida and California – Three American citizens, Hafiz Khanand his sons Izhar Khan and Irfan Khan, are arrested on charges of providing support to the Pakistani Taliban.

• May 13, 2011 – Virginia – Younes Abdullah Muhammad (a.k.a. Jesse Curtis Morton), an American citizen and founder of Revolution Muslim, a fringe anti-Semitic Muslim organization that justifies terrorist attacks and other forms of violence, is charged with communicating threats against the creators of the cartoon "South Park" for satirizing issues surrounding the depiction of the Prophet Muhammad.

• May 11, 2011 – New York – Ahmed Ferhani, a legal resident from Algeria, and Mohammad Mamdouh, a naturalized U.S. citizen from Morocco, are arrested for plotting to attack a synagogue in New York City.

• May 9, 2011 – Illinois – Michael Finton, an American citizen who attempted to bomb the federal courthouse in Springfield, is sentenced to 28 years in prison for attempting use of a weapon of mass destruction.

• April 11, 2011 – Virginia – Farooque Ahmed, a naturalized U.S. citizen from Pakistan, is sentenced to 23 years in prison for plotting coordinated attacks at Metro stations in the Washington, D.C.-area.

• March 9, 2011 – Pennsylvania – American citizen Jamie Paulin-Ramirez pleaded to conspiracy to provide material support to terrorists in connection with a plot to murder a Swedish cartoonist who depicted the Prophet Muhammad with the body of a dog in a Swedish newspaper.

• March 3, 2011 – New Jersey – American citizen Mohamed Mahmood Alessa and Carlos Eduardo Almonte, a naturalized U.S. citizen from the Dominican Republic, pleaded guilty to  conspiring to kill people outside the U.S.

• February 24, 2011 – Virginia – American citizen Zachary Chesser is sentenced to 25 years in prison for providing material support to an Al Qaeda-linked terrorist group in Somalia and to soliciting crimes of violence.

• February 17, 2011 – New York – Russell Defreitas, a naturalized U.S. citizen from Guyana, is sentenced to life in prison for plotting to attack New York's John F. Kennedy International Airport.

• February 14, 2011 – New York – Oded Orbach, a naturalized U.S. citizen from Israel, Alwar Pouryan, a naturalized U.S. citizen from Iran, and five other men are charged with conspiring to provide material support to terrorists.

• February 9, 2011 – North Carolina – American citizen Daniel Patrick Boyd pleaded guilty to charges of conspiring to provide material support to terrorists and of conspiring to murder, kidnap and maim people in a foreign country.

• February 1, 2011 – Pennsylvania – American citizen Colleen LaRose pleaded guilty to conspiracy to support terrorists, conspiracy to kill in a foreign country, lying to investigators and attempted identity theft.

• January 5, 2011 – Virginia – Awais Younis, a naturalized U.S. citizen from Afghanistan, is indicted for threatening to bomb high-traffic areas in Washington, D.C.