R1, Rabbit r1, Samsung YP-R1, Yamaha YZF-R1, R1–9 fleet, Subaru R1, Sony Cyber-shot DSC-R1, C/2009 R1 (McNaught), R1 Airlines, R1 RCM, R1-class Sydney tram, R1 King George Blvd, R1 expressway (Slovakia), Pennsylvania Railroad class R1, R1 ring road (Belgium), R1 (nuclear reactor), C/2013 R1 (Lovejoy), C/1912 R1 (Gale), R1 (New York City Subway car), R1–RG1 (Rodalies de Catalunya), D/1978 R1 (Haneda–Campos), Haplogroup R1, Skydio R1, C/1958 R1 (Burnham–Slaughter), C/1961 R1 (Humason), SIN R1, Hawker Siddeley Nimrod R1, C/1864 R1 (Donati), Telenoid R1, Praga R1, C/1985 R1 (Hartley–Good), R1 plasmid, Remington 1911 R1, Jaguar R1, Sony Xperia R1, Canon EOS R1, HMS R1, C/1963 R1 (Pereyra), Ora Black Cat, Shooting at the 2020 Summer Paralympics – R1 Men's 10 metre air rifle standing SH1, NER Class R1

Xcon, List of research universities in the United States, LCDR R1 class, SER R class, Great Comet of 1882, DeepSeek, 1995 Royal Air Force Nimrod R1 ditching, R1 (RER Vaud), Comet Arend–Roland, California county routes in zone R, Rice Institute Computer, Raytheon Sentinel, Daxing Airport Express, P-class Sydney tram, Small nucleolar RNA snoR1, A4 road (Zimbabwe), GNR Class L1, Comet Morehouse, Great Comet of 1807, RcsR1 small RNA, Airport Line (SEPTA), Multi-frequency signaling, Crystal Defenders, Maresin, 322P/SOHO, EcpR1 sRNA, BUB1B, D0 motorway (Czech Republic), Adiponectin receptor 1, Metabotropic glutamate receptor 1, SEPTA Main Line, CDC34, Tomorrow.io, GRIA1, Ryanodine receptor 1, West Trenton Line, FN FAL, Haplogroup R1a, The Riches, Parallel (operator), Hausdorff space, Rootstock, Focke-Wulf Fw 190, Rapeseed, Death receptor 4, R visa, Beijing Subway, List of Major League Baseball players (Ra–Ri), Halley's Comet, List of bus routes in London

R1, Rabbit r1, Samsung YP-R1, Yamaha YZF-R1, R1–9 fleet, Subaru R1, Sony Cyber-shot DSC-R1, C/2009 R1 (McNaught), R1 Airlines, R1 RCM, R1-class Sydney tram, R1 King George Blvd, R1 expressway (Slovakia), Pennsylvania Railroad class R1, R1 ring road (Belgium), R1 (nuclear reactor), C/2013 R1 (Lovejoy), C/1912 R1 (Gale), R1 (New York City Subway car), R1–RG1 (Rodalies de Catalunya), D/1978 R1 (Haneda–Campos), Haplogroup R1, Skydio R1, C/1958 R1 (Burnham–Slaughter), C/1961 R1 (Humason), SIN R1, Hawker Siddeley Nimrod R1, C/1864 R1 (Donati), Telenoid R1, Praga R1, C/1985 R1 (Hartley–Good), R1 plasmid, Remington 1911 R1, Jaguar R1, Sony Xperia R1, Canon EOS R1, HMS R1, C/1963 R1 (Pereyra), Ora Black Cat, Shooting at the 2020 Summer Paralympics – R1 Men's 10 metre air rifle standing SH1, NER Class R1, Xcon, List of research universities in the United States, LCDR R1 class, SER R class, Great Comet of 1882, DeepSeek, 1995 Royal Air Force Nimrod R1 ditching, R1 (RER Vaud), Comet Arend–Roland, California county routes in zone R, Rice Institute Computer, Raytheon Sentinel, Daxing Airport Express, P-class Sydney tram, Small nucleolar RNA snoR1, A4 road (Zimbabwe), GNR Class L1, Comet Morehouse, Great Comet of 1807, RcsR1 small RNA, Airport Line (SEPTA), Multi-frequency signaling, Crystal Defenders, Maresin, 322P/SOHO, EcpR1 sRNA, BUB1B, D0 motorway (Czech Republic), Adiponectin receptor 1, Metabotropic glutamate receptor 1, SEPTA Main Line, CDC34, Tomorrow.io, GRIA1, Ryanodine receptor 1, West Trenton Line, FN FAL, Haplogroup R1a, The Riches, Parallel (operator), Hausdorff space, Rootstock, Focke-Wulf Fw 190, Rapeseed, Death receptor 4, R visa, Beijing Subway, List of Major League Baseball players (Ra–Ri), Halley's Comet, List of bus routes in London, Orion OB1, EcoRI, BBC Radio 1, TGF beta receptor 1, Apple silicon, New Madrid County R-I School District, LGA 2011, Beechcraft Super King Air, Zoning, Series and parallel circuits, FlexOS, Shooting at the 2024 Summer Paralympics, Muscarinic acetylcholine receptor M1, Elliot Rodger, 4690 Operating System, Roads in Azerbaijan, Droid (Star Wars), List of R-phrases, Roads in Kazakhstan, Gran_Premio_de_San_Marino_de_Motociclismo_de_2023, سمير_وشهير_وبهير, King_Long, Wolfgang_von_Kempelen, hutan, كيم_سيونج_ايل, Contea_di_Gunnison, Lee_Won-jong, Conseil_départemental_de_la_Nièvre, Evacuation_of_Novorossiysk_(1920), Pengadilan_Negeri_Federal_Amerika_Serikat_untuk_Daerah_Selatan_New_York, おくりびと, Daftar_katedral_di_Haiti, Gesta_Hungarorum, 坂井仁香, Just_Me_and_You_(1978_film), Cecilia,_Table_Mountain, Mazmur_119, EU–UK_Trade_and_Cooperation_Agreement, Home_Rule_League, Magdeburg, Lautaro_Youth_Movement, Museum_Istana, 阿波罗8号, Cold_War_(1948–1953), Plateau_(negara_bagian), Vincent_Bijlo, بي_كايند_ريوايند, マイネルレーニア, Chaim_Hezekiah_Medini, خوبي, Viacom_(1952–2006), Sunnyvale_(Califórnia), Lettered_aracari, SimTunes, Sekolah_Tinggi_Intelijen_Negara, Sky_Max, Johanne_Schmidt-Nielsen, دانجال_(فيلم), Мазепа_(опера), عبقريات_العقاد_الإسلامية