- Ian Desmond [66]
- Ian Kinsler [250]
- Ian Mahinmi [20]
- Ian McKellen [7]
- Ian Poulter [36]
- IBF [44]
- IBM [13]
- Ice Dancing [6]
- Ice Hockey [8]
- Ichiro Suzuki [28]
- Idaho [17]
- Iggy Pop [9]
- Igor Stravinsky [8]
- Ileana Ros-Lehtinen [6]
- Illegal Immigration [17]
- Illinois [250]
- Illinois State Police [6]
- Illinois State University [9]
- Ilya Bryzgalov [109]
- Iman Shumpert [31]
- Immigration [35]
- Inbee Park [19]
- Income Tax [12]
- Independence Bowl [6]
- Independent Film [11]
- Indian Country [6]
- Indian Ocean [5]
- Indian Wells Masters [34]
- Indian Wells Tennis Garden [13]
- Indiana [21]
- Indiana Fever [7]
- Indiana Pacers [6]
- Indiana State University [16]
- Indianapolis [190]
- Indianapolis Colts [139]
- Indianapolis Motor Speedway [55]
- Indonesia [33]
- Industries [43]
- Indy Car Racing [203]
- Influenzas [21]
- Initial Public Offering (IPO) [14]
- Inspection Service [5]
- Insperity Championship [12]
- Insurance [12]
- Intel [11]
- Intel Corp [12]
- Interleague Play [10]
- Internal Revenue Service [107]
- International Atomic Energy Agency [15]
- International Banks [43]
- International Borders [8]
- International Criminal Court [30]
- International Crisis Group [6]
- International Cycling Union [31]
- International Energy Agency [15]
- International Monetary Fund [47]
- International News Media [37]
- International Space Station [20]
- International Trade [6]
- Internet [43]
- Investing [16]
- Investment Banks [23]
- Investment Company Institute [22]
- Investment Management Companies [21]
- Investment Management Services [5]
- Investment Research [5]
- Investments [72]
- Involuntary Manslaughter [17]
- Ion Television [8]
- iOS [12]
- Iowa [43]
- Iowa Hawkeyes [23]
- Iowa Speedway [7]
- Iowa State University [30]
- iPad [23]
- iPhones [43]
- Iran [200]
- Iran Sanctions [8]
- Iranian Revolution [6]
- Iraq [136]
- Iraq War [17]
- Iraqi People [29]
- Ireland [11]
- Iron Man [20]
- Isaac Chilemba [20]
- Isaac Redman [6]
- Isaac Sopoaga [18]
- Islam [37]
- Islam Gadhafi [6]
- Islamic Republic News Agency [17]
- Islamic Terrorism [22]
- Israel [21]
- Israel Defense Forces [37]
- Israel Museum [6]
- Israel's Jewish [6]
- Israeli Air Force [8]
- Istanbul [13]
- Italians [24]
- Italy [84]
- Ivan Dodig [14]
- Iván Nova [12]
- Iván Rodríguez [22]