I have count 17 monuments to Romanovs. Which I forget? Below there are all but Strelna's Peter the Great.
Near St.Michael's Castle by Rastrelli
Bronze Horseman
"To founder of the Russian Navy" at former St. Petersburg riverine yacht club terrace,
naberezhnaya Martynova (Martynov embankment), 92 (former Middle Nevka embankment). Sculptor presumably Jean-Dominic Rachette (1744-1809), in memory of Peter the Great's bicentenary, 1872 (reconstituted in 1989, architect Eugen Ivanovich Travnikov, b.1923):
Near
Domik Petra (Cabin of Peter I) at
Petrovskaya naberezhnaya (Peter Embankment), 6. Architect Ernest Guibert (1823-1909), sculptor Parmen Petrovich Zabello (1830-1917) from the 1760 design by Nicolas-François Gillet (1709-1791), in memory of 150 years since Peter the Great's death, 1875:
"To the father of the Fatherland" in the niche of the present Nakhimov Naval School,
Petrogradskaya naberezhnaya (Petrograd embankment), 2. Architect Alexander Ivanovich Dmitriev (1878-1959), artist Alexander Nikolayevich Benois (1870-1960), sculptor Basil Vasilyevich Kuznetsov, 1910:
"To Peter the Great" at
Bol'shoy Sampsonievskiy prospect (Large Sampsony Avenue), 41. Architect Nicholas Evgenievich Lanceray (1879-1942), sculptor Leon Moiseevich Antokolsky (1872-1942) from the 1872 design of his uncle Mark Matveevich Antokolsky (1843-1902), in memory of bicentenary of Poltava Victory, 1909, unmounted 1938 (now in Tretyakov Gallery), reconstituted 2003:
Moscow (Nicholas') railway station
Peter-carpenter
In the Fortress
Catherine the Great
Paul in Gatchina
Paul in Pavlovsk
Paul in the Castle
Maria Feodorovna
Alexander I
Nicholas I
Alexander II at Lomonosova St
Alexander II at Suvorovsky
Alexander III
Nicholas II in the city
Nicholas II in Tsarskoye Selo