While the Ottoman fleet did not match the might of the allied German fleet or the naval power of the British and French adversaries, its warships still played a pivotal role in the conflict. Despite their limitations, vessels like Hamidiye, Yavuz, Midilli, Mesudiye, Sultanhisar, and Nusrat achieved legendary status for their contributions. Below is a comprehensive list of the Ottoman warships that participated in naval operations during the war. Click on the icon next to a warship's name to access its technical specifications and delve into its individual story.
| Weight | Year built | Origin | Fate | ||
| DREADNOUGHTS | |||||
| Sultan Osman | 27,500 | 1914 | Britain | Seized by the British government in 1914 | |
| Reşadiye | 23,000 | 1914 | Britain | Seized by the British government in 1914 | |
| CAPITAL SHIPS | |||||
 | Yavuz | 23,000 | 1909 / 1914 (bought) | Germany | Scrapped in 1973 |
| Barbaros Hayreddin | 10,060 | 1891 / 1910 (bought) | Germany | Sunk in 1915 |
| Turgut Reis | 10,060 | 1891 / 1910 (bought) | Germany | Scrapped in 1953 |
| Mesudiye | 9,200 | 1874 | Britain | Sunk in 1914 |
| CRUISERS | |||||
| Midilli | 4,550 | 1911 / 1914 (bought) | Germany | Sunk in 1918 |
| Hamidiye | 3,805 | 1903 | Britain | Scrapped in 1964 |
| Mecidiye | 3,250 | 1903 | USA | Scrapped in 1952 |
| COAST DEFENSE | |||||
| Asar-ı Tevfik | 4,687 | 1868 | France | Sunk in 1913 |
| Avnillah | 2,400 | 1867 | Britain | Sunk in 1912 | |
| Feth-i Bülent | 2,800 | 1868 | France | Sunk in 1912 | |
| Muin-i Zafer | 2,400 | 1869 | Britain | Scrapped in 1934 |
| Necm-i Şevket | 2,050 | 1867 | France | Scrapped in 1929 | |
| İclaliye | 2,266 | 1870 | Austria-Hungary | Scrapped in 1928 | |
| DESTROYERS | |||||
| Yadigar-ı Millet | 616 | 1909 / 1910 (bought) | Germany | Sunk in 1917 |
| Muavenet-i Milliye | 616 | 1909 / 1910 (bought) | Germany | Scrapped in 1953 |
| Numune-i Hamiyet | 616 | 1909 / 1910 (bought) | Germany | Scrapped in 1923 |
|
| Gayret-i Vataniye | 616 | 1909 / 1910 (bought) | Germany | Sunk in 1915 |
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| Samsun | 290 | 1907 | France | Scrapped in 1949 |
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| Taşoz | 290 | 1907 | France | Scrapped in 1949 |
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| Yarhisar | 290 | 1907 | France | Sunk in 1915 |
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| Basra | 290 | 1907 | France | Scrapped in 1949 |
|
| Berkefşan | 270 | 1894 | Germany | Scrapped in 1932 |
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| TORPEDO BOATS | |||||
| Yunus | 200 | 1906 | Italy | Scrapped in 1935 |
|
| Hamidiye | 200 | 1902 | Italy | Sunk in 1911 |
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| Akhisar | 160 | 1906 | Italy | Scrapped in 1935 |
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| Musul | 160 | 1906 | Italy | Scrapped in 1936 |
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| Draç | 160 | 1906 | Italy | Scrapped in 1936 |
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| Kütahya | 160 | 1906 | Italy | Sunk in 1916 |
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| Antalya | 160 | 1906 | Italy | Out of service in 1916 |
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| Alpagut | 160 | 1906 | Italy | Sunk in 1912 |
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| Tokat | 160 | 1906 | Italy | Out of service in 1916 |
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| Ankara | 160 | 1906 | Italy | Sunk in 1912 |
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| Demirhisar | 98 | 1906 | France | Sunk in 1915 |
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| Sultanhisar | 98 | 1907 | France | Scrapped in 1935 |
| Sivrihisar | 98 | 1906 | France | Scrapped in 1935 |
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| Hamidabad | 98 | 1906 | France | Sunk in 1917 |
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| GUNBOATS | |||||
| Peyk-i Şevket | 775 | 1906 | Germany | Scrapped in 1954 |
| Berk-i Satvet | 775 | 1906 | Germany | Scrapped in 1955 |
| Zuhaf | 650 | 1896 | Turkey | Scrapped in 1936 | |
| Peleng-i Derya | 585 | 1890 | Germany | Sunk in 1915 |
|
| Aydın Reis | 510 | 1912 | France | Scrapped in 1954 |
|
| Burak Reis | 510 | 1912 | France | Scrapped in 1955 | |
| Preveze | 510 | 1912 | France | Scrapped in 1926 | |
| Sakız | 510 | 1912 | France | Scrapped in 1935 | |
| Durak Reis | 420 | 1912 | France | Scrapped in 1973 | |
| İsa Reis | 420 | 1912 | France | Scrapped in 1964 | |
| Hızır Reis | 420 | 1912 | France | Out of service in 1952 |
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| Marmaris | 530 | 1907 | France | Sunk in 1915 |
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| Malatya | 213 | 1907 | France | Scrapped in 1921 |
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| Taşköprü | 213 | 1907 | France | Sunk in 1915 |
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| Nevşehir | 213 | 1907 | France | Sunk in 1915 |
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| Ordu | 200 | 1907 | France | Sunk in 1912 | |
| Gökçedağ | 200 | 1907 | France | Sunk in 1915 |
|
| Refahiye | 200 | 1907 | France | Sunk in 1912 | |
| Ayıntap | 200 | 1907 | France | Sunk in 1912 | |
| Bafra | 200 | 1907 | France | Sunk in 1912 | |
| Kastamonu | 200 | 1905 | Germany | Sunk in 1912 | |
| Yozgat | 200 | 1905 | Germany | Sunk in 1912 | |
| Nurulbahir | 200 | 1908 | Italy | Out of service in 1913 | |
| RIVER GUNBOATS | |||||
| Doğan | 250 | 1911 | Germany | Sunk in 1917 | |
| Selman-ı Pak | 98 | 1915 (seized) | Britain | Out of service in 1917 |
| MINELAYERS | |||||
| Giresun (storage ship) | 3,000 | 1910 (bought) | Britain | Scrapped in 1927 | |
| İntibah | 600 | 1912 (bought | Britain | Out of service in 1958 |
|
| Selanik | 270 | 1911 (seized) | Britain | Scrapped in 1927 |
|
| Samsun | 270 | 1910 (bought) | Britain | Sunk in 1915 |
|
| Nusrat | 360 | 1911 | Germany | Out of service in 1955 |
| Muzaffer | 70 | 1914 | Turkey | Out of service in 1918 |
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| Gayret | 144 | 1907 (bought) | Britain | Scrapped in 1927 |
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| Nilüfer | 1,000 | 1911 (bought) | Britain | Sunk in 1914 |
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| Ron | 200 | 1914 (seized) | Britain | Sunk in 1914 | |
| SUBMARINES | |||||
| Abdülhamit | 100 / 160 | 1887 | Britain / Turkey | Scrapped in 1921 |
|
| Müstecip Onbaşı | 390 / 425 | 1908 / 1915 (captured) | France | Scrapped in 1921 |
| TRANSPORTS AND ARMED STEAMERS | |||||
| Babil | 1,730 | 1869 (bought) | Britain | Sunk in 1912 | |
| Trabzon | 70 | 1860s | Turkey | Sunk in 1912 | |
| Haliç | ? | 1911 (bought) | ? | Sunk in 1911 | |
| Gör | 288 | 1875 (bought) | Britain | Sold to Albania in 1913 |
|
| Kıyoçya | 100 | 1911 (bought) | ? | Sold to Albania in 1913 |
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| İzmir | 2,500 | 1891 (bought) | Britain | Sunk in 1912 |
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| Hüdeyde | 2,060 | 1891 (bought) | Britain | Out of service in 1912 |
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| Marmara | 2,470 | 1896 (bought) | Britain | Out of service in 1913 | |
| Bezm-i Alem | 4,570 | 1906 (bought) | Britain | Sunk in 1914 |
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| Tir-i Müjgan (depot ship) | 4,050 | 1906 (bought) | Britain | Scrapped in 1920 |
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| Eser-i Cedid | 1,520 | 1909 (bought) | Britain | Sunk in 1937 |
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| Mithat Paşa | 4,450 | 1911 (bought) | Britain | Sunk in 1914 | |
| Reşit Paşa | 4,450 | 1911 (bought) | Britain | Scrapped in 1953 |
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| Plevne | 1,150 | 1912 (bought) | Britain | Sunk in 1915 |
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| Urla | 4,180 | 1914 (seized) | Britain | Scrapped in 1954 |
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| Nara | 300 | 1914 (seized) | ? | Sunk in 1915 |
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| Mahmut Şevket Paşa | 2,690 | 1915 (seized) | Britain | Scrapped in 1935 |
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| Gülcemal | 5,000 | 1874 / 1910 (bought) | Britain | Scrapped in 1950 | |
| Bandırma | 280 | ? | ? | ? | |
| Derne | ? | ? | ? | ? | |
| Halep | 3,684 | ? | ? | Sunk in 1915 |
|
| Şam | 3,660 | ? | ? | ? | |
| Karadeniz | 3,660 | 1905 / ? (bought) | Netherlands | Scrapped in 1951 |
|
| Akdeniz | ? | 1890 / 1911 (bought) | Netherlands | Scrapped in 1930 | |
| Alemdar | 362 | 1898 | Denmark | Out of service in 1954 |
|
| Neveser | 362 | 1890 | Britain | Sunk in 1917 |
|
| Kızılırmak | 1,945 | ? | ? | Sunk in 1915 | |
| Yeşilırmak | 865 | ? | ? | Sunk in 1915 | |
| Gelibolu | 280 | ? | ? | ? | |
| Edremit | 280 | ? | ? | Sunk in 1917 |
|
| Mersin | ? | ? | ? | ? | |
| İnebolu | ? | ? | ? | ? | |
| Hüdavendigar | 820 | ? | ? | ? | |
| Bosporus | 2,990 | ? | ? | Sunk in 1915 | |
| Rehber | 280 | ? | ? | Sunk in 1915 | |
| Ceyhun | 3,500 | ? | ? | ? | |
| Zonguldak | 1,550 | ? | ? | ? | |
| Zafer | 330 | ? | ? | ? | |
| Derince | 3,300 | ? | ? | ? | |
| Seyhun | 3,000 | ? | ? | ? | |
| Uğurola | 960 | ? | ? | Sunk in 1915 | |
| Patmos | 1,900 | ? | ? | Sunk in 1916 | |
| Vatan | 520 | ? | ? | Out of service in 1916 |
|
| Resan | ? | ? | ? | Sunk in 1916 | |
| Suhulet (ferry) | ? | 1870 | Britain | Scrapped in 1961 |
|
| Sahilbent (ferry) | ? | 1871 | Britain | Scrapped in 1998 |
|
| Gazal (tugboat) | 182 | 1910 / 1912 (bought) | Britain | Out of service in 1954 |
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| YACHTS AND SURVEY VESSELS | |||||
| Ertuğrul | 900 | 1903 | Britain | Scrapped in 1960 |
|
| İstanbul | 910 | 1888 | Britain | ? | |
| İzzettin | 1,075 | 1865 | Britain | Scrapped in 1929 | |
| Fuat | 1,075 | 1865 | Britain | Scrapped in 1921 | |
| Söğütlü | 110 | 1908 | Britain | Scrapped in 1955 | |
| Beyrut | 520 | 1911 (bought) | Britain | Sunk in 1914 |
|
| Galata | 140 | 1910 (bought) | Britain | Out of service in 1930 |
|
| Seyyar | 240 | 1888 | Britain | ? | |
| Trablusgarp | 630 | 1911 (bought) | Britain | Sunk in 1911 |
|
| Şıpka | 420 | 1911 (bought) | Britain | Sunk in 1912 | |
| İhsaniye | 170 | 1869 | Britain | Sunk in 1912 | |
| Sultaniye | 2,900 | 1862 | Britain | Scrapped in 1912 |