K is for Kentucky Coffee Tree
- Kentucky Derby - the annual horse race held on the first Saturday in May in Louisville, Kentucky. The race is known as the "most exciting two minutes in sports," because that's approximately how long the race lasts.
- Knicknack and koala
- Kukukuku - tribespeople in New Guinea
- Two U.S. states start with K: Kansas and Kentucky.
- Kentucky Fried Chicken
- Half the U.S. radio stations start with K.
- Kit and Caboodle, or the whole shebang.
- Lower case k, prefix for 'kilo'
- Remember Captain Kangaroo? The longest-running nationally broadcast children's program of its day. (1955-1984)
- K, symbol for the element Potassium.
- Knighthood, knowledge, karma, and kindness
- Kindle Fire, the newest addition to our home
- Kit-kats, Kellogg's Corn Flakes, ketchup, and kiwis.
- c and k are close friends.
- Helen Keller, the first deaf-blind person to earn a Bachelor of Arts Degree. In 1964, President Lyndon B. Johnson awarded Helen Keller the Presidential Medal of Freedom, one of the two United States highest civilian honors. In 1965, Helen was elected to the National Women's Hall of Fame. There are streets named after Helen Keller in Spain, Israel, Portugal, and France. Helen Keller is depicted on the Alabama state quarter.
- K-ration, a small package of emergency rations issued to U.S. troops in WWII.
- Kindergarten, K-12
- K, a thousand of anything, i.e., dollars.
- The word "kindergarten" comes from the German "children's garden."
