P61

'''P61''' or '''P-61''' may refer to:

==Vessels== * {{HMBS|Nassau|P-61}}, a patrol boat of the Royal Bahamas Defence Force * {{HMS|Varangian|P61}}, a submarine of the Royal Navy * {{INS|Kora|P61}}, a corvette of the Indian Navy * {{LÉ|Samuel Beckett|P61}}, an offshore patrol vessel of the Irish Naval Service * {{Ship|Maltese patrol boat|P61}} * ''Polemistis'' (P61), a HSY-55-class gunboat of the Hellenic Navy

==Other uses== * Northrop P-61 Black Widow, an American night fighter aircraft * BRM P61, a Formula One racing car * P61 road (Ukraine) * Papyrus 61, a biblical manuscript * P61, a state regional road in Latvia * ''Sea Tiger'' (P61), a fictional submarine in the film ''We Dive at Dawn'' * P6₁, three-dimensional space group number 169

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