Dr. Light (DC) using Light Manipulation.
Sookie (True Blood) can manipulate and create light. While using this ability she also channels nature.
Sookie (True Blood) zaps a witch
Along with manipulating light, Noora the Light (The 99) can also see the goodness and darkness in people.
Cordelia Chase (Angel) uncontrollably generates a large amount of offensive light.
Stella (Winx Club) is the Fairy of the Sun, Moon and Stars and can control any kind of Light.
With his Devil's Fruit of the Pika Pika no Mi, Admiral Kizaru/Borsalino (One Piece) is able control light particles and solidfy them, allowing him to create his Ama no Murakumo.
Heike Masaomi (Code Breaker) can manipulate photons.
Kendogarurumon (Digimon series)
Cure Sunshine (Heartcatch Precure)
Cure Happy (Smile Precure)
The Light (Cardcaptor Sakura)
Rano (LESSA) is able to manipulate light, his use only limited by his imagination.
Sailor Venus (Sailor Moon) is Senshi of Light and can create beams of golden light to attack enemy.
Cure Honey (Happiness Charge Pretty Cure) can control the Light to attack and purify enemy.