Frank Dietrich is the name of:

• Frank Sigel Dietrich (1863–1930), United States federal judge
• Frank Dietrich (footballer) (born 1959), German footballer
• Frank Dietrich (politician) (1966–2011), German politician
• Frank Dietrich (rower) (born 1965), German rower

• The Light Infantry Division at Yorktown (1781)
• The Light in Me
• The Light in You
• The Light In You
• The Light It Up Tour
• The Lightning Ball Room
• The Lightning Child
• The Lightning Express (tag team)
• The Lightning of August
• The Lightning Raiders
• The Lightning Strike (What If This Storm Ends?)
• The Light of a Firefly Forest
• The Light of Asia (oratorio)
• The Light of Faith
• The light of faith
• The Light of Happiness
• The Light of Spirit
• The Light of the East
• The Light of the Spirit
• The Light Of The Spirit (2012 Reissue)
• The Light of The Sun
• The Light of the Sun
• The Light of Western Stars (1918 film)
• The Light of Western Stars (1925 film)
• The Light of Western Stars (1930 film)