Prince Ludwig Ferdinand Maria Karl Heinrich Adalbert Franz Philipp Andreas Konstantin of Bavaria[1] (22 October 1859 – 23 November 1949) was a member of the Bavarian House of Wittelsbach and a General of Cavalry.

His maternal grandparents were Infante Francisco de Paula of Spain and his wife Princess Luisa Carlotta of Bourbon-Two Sicilies.

Prince Ludwig Ferdinand was the only member of the Bavarian Royal Family who always remained on friendly terms with his cousin, King Ludwig II (with the exception of Elisabeth, Empress of Austria) – and the only cousin to ever be invited, together with his wife, at Herrenchiemsee Palace as well as for private dinners at the Munich Residence.

[2] On 11 May 1883, he was promoted to Oberst (colonel), bypassing the intermediate ranks, and named Inhaber of the Royal Bavarian 18th Infantry Regiment "Prinz Ludwig Ferdinand" (Königlich Bayerisches 18.

[2] Prince Ludwig Ferdinand of Bavaria was married in 1883 to his maternal first cousin, Infanta María de la Paz of Spain (1862–1946), the second-youngest daughter of his uncle King Francis and Queen Regnant Isabella II of Spain (reigned from 1833 up to 1868 when deposed, abdicated 1870 and died 1904) and the 845th Dame of the Royal Order of Queen Maria Luisa.

In 1885 the young couple returned to Bavaria and resided chiefly in a side wing of the royal Nymphenburg Palace, left to them by Ludwig II.

Ludwig Ferdinand's sisters were Isabella, Duchess of Genoa; Elvira, Countess von Wrbna-Kaunitz-Rietberg-Questenberg und Freudenthal; and Clara, Abbess of St. Anna; and his younger brother was Prince Alphonse of Bavaria, husband of Louise of Orléans, daughter of Ferdinand, Duke of Alençon and Duchess Sophie in Bavaria.