Morning star or Morning Star may refer to:
- Morning star (weapon), a spiked mace
- The planet Venus in the east as dawn bringer Eosphoros (also called the "evening star" Hesperos in the west just after sundown)
- Morning Star (chief), a Cheyenne leader, also known as Dull Knife
- The Morning Star, a newspaper published in the U.K. since 1930
- The Morning Star (19th century U.S. newspaper), a defunct New Hampshire newspaper
- The Morning Star (Free Will Baptist), newspaper established in 1826 in Limerick, Maine, before moving to Dover, Delaware in 1833.
- The Morning Star (19th century U.K. newspaper), a defunct London newspaper
- The Morning Star (Jaffna), a defunct 19th century bilingual magazine from Jaffna, Sri Lanka
- Morningstar heavy fighter, a fictional spacecraft in the Wing Commander computer game
- Morning Star Trust, a United Kingdom based Christian Sail Training organisation
- Morning Star International, a former name of Every Nation Churches.
- Morning Star (novel), by Simon Raven
- Morning Star (Entombed album), by the Swedish Death Metal band
- Morning Star (Flunk album), by the Norwegian Electronic music band
- Morning Star, a broad gauge steam locomotive on the Great Western Railway, one of the earliest to be built.
- Morningstar Farms, a vegetarian line of food products.
- Morningstar Communications, a public relations and integrated marketing communications firm in Overland Park, Kansas
- Morningstar, Inc., an independent investment research firm
- Morningstar commune, a commune formed in the San Francisco area in the mid-1960s.
- MorningStar Ministries led by Rick Joyner
- Magic City Morning Star, a newspaper in Maine
- Valley Morning Star, a newspaper in Harlingen, Texas
- The national flag of West Papua
- A river, which flows through the town of Bruff in Ireland
- a former name of cruise ship Salamis Glory
- A popular brand of incense, produced by Nippon Kodo
- A highly potent strain of cannabis sativa
- A 1960s soap opera
In religion:
- Jesus, as a figurative name used in the New Testament
- The planet Venus is what is called Oriens, Also Eous and Stella Veneris (Star of Venus). The planet Venus is what we call the Morning Star today.
- The Blessed Virgin Mary Known as Morning Star
- John Wycliffe, the English theologian, reformer and bible translator, as "The Morning Star of the Reformation"
- Lucifer (Luci-fer, Venus as light-bringer), the fallen angel
- Providence (religion), formerly known as Jesus Morning Star and Morning Star
- Every Nation, an organization of churches formerly known as Morning Star International
In music:
- The Morningstars, a band fronted by Sierra Leonean musician S. E. Rogie
- "Morgenstern" ("Morning Star"); a song by Rammstein from their fourth album, Reise, Reise
- MorningStar (band), a Finnish metal band.
- Morning Star, an album by the Norwegian death metal band Entombed.
- A song written by AFI (band)
- A song by Blackmore’s Night from their 1999 album Under a Violet Moon
- A song by Angra from their Temple of Shadows album.
- Today is the Day's album Temple of the Morning Star
- A musical youth group at St. Joseph's Church in Penfield, NY
- "Hymn to the Morning Star", a song by Sleepytime Gorilla Museum
In literature:
- A novel by David Gemmell
- A play by Emlyn Williams
- A Nick Bantock book from the Griffin and Sabine series
- Morningstar, a character in The Elementals
- Morning Star is one of the protagonists of the Noble Warriors Trilogy
