Frederick I (; 9 September 1826 – 28 September 1907) was the Grand Duke of Baden from 1858 to 1907.
Life
Frederick was born in Karlsruhe, Baden, on 9 September 1826. He was the third son of Leopold, Grand Duke of Baden and Princess Sophie of Sweden. He became the heir presumptive to the grand duchy upon the death of his father in 1852 and the accession of his brother as Grand Duke Louis II. Due to his brother's mental ill-health, he was regent ad interim of Baden in 1852–1855, and took the title of grand duke in 1856. His brother, Louis II, died in 1858. He was considered a relatively liberal supporter of a constitutional monarchy. During his reign the option of civil marriages was introduced in Baden as well as direct elections to the Lower House of the Parliament of Baden in 1904.
In 1856, Frederick married Princess Louise, daughter of Prince Wilhelm of Prussia and Princess Augusta of Saxe-Weimar-Eisenach.
;Foreign honours
- Service Cross for Officers (25 years)
- : Grand Cordon of the Order of Leopold, 12 May 1845
- : Grand Cross of the Southern Cross
- : Knight of the Elephant, 24 April 1877
- : Grand Cross of the Legion of Honour, September 1846
- Greece: Grand Cross of the Redeemer
- : Grand Cross of the Royal Order of Kamehameha I
- : Knight of the Annunciation, with Collar, 9 November 1864
- Tuscany: Grand Cross of St. Joseph
- : Grand Cross of St. Ferdinand and Merit
- : Grand Cordon of the Supreme Order of the Chrysanthemum, 5 June 1906
- : Grand Cross of St. Charles, 19 October 1869
- : Grand Cross of the Order of Prince Danilo I
- :
- Grand Cross of the Netherlands Lion
- Grand Cross of the Military William Order, 17 July 1878
- :
- Grand Cross of the Sash of the Three Orders
- Grand Cross of the Tower and Sword, with Collar
- :
- Grand Cross of the Star of Romania
- Grand Cross of the Order of Carol I, with Collar, 1906
- :
- Knight of St. Andrew, with Golden Collar
- Knight of St. Alexander Nevsky
- Knight of the White Eagle
- Knight of St. Anna, 1st Class
- Cross of St. George
- :
- Order of Miloš the Great, 1st Class
- Grand Cross of the Cross of Takovo
- Sweden-Norway:
- Knight of the Seraphim, with Collar, 15 April 1877
- Grand Cross of St. Olav, 20 September 1881
- Commander Grand Cross of the Order of Vasa, with Collar, 1896
- :
- Grand Cross of the Order of Charles III, 27 May 1866
- Knight of the Golden Fleece, with Collar, December 1878
- Siam: Knight of the Order of the Royal House of Chakri, with Collar, 5 October 1897
- Tunisia: Husainid House Order, in Diamonds
- : Stranger Knight Companion of the Garter, 20 September 1906