All names from A to Z · page 49

• Rui♂Short form of Rodrigo, 'famous ruler'29,481 people
• Rute♀Probably 'friend', from Hebrew50,429 people
• Ruth♀Possibly 'companion' or 'friend'47,773 people
• Ruthe♀Probably 'friend', from Hebrew7,530 people
• Ruthi♀2,510 people
• Ruti♀5,705 people
• Rutiele♀1,663 people
• Rutileia♀1,168 people
• Rutilene♀1,288 people
• Rutineia♀1,019 people
• Ruty♀1,402 people
• Ruy♂Short form of Rodrigo, 'famous ruler'8,093 people
• Ryana♀2,330 people
• Ryane♀1,057 people
• Ryanna♀1,346 people
• Sabastiana♀1,411 people
• Sabastiao♂3,475 people
• Sabina♀Feminine of Sabinus, 'Sabine', of the Sabine people3,306 people
• Sabino♂Sabine, from the ancient Italic people of the Sabines4,539 people
• Sabrina♀186,700 people
• Sabrine♀3,096 people
• Sadi♂Fortunate, lucky5,884 people
• Sadra♀650 people
• Sadraque♂1,819 people
• Safira♀Sapphire, a blue precious stone16,735 people
• Said♂Happy, fortunate1,303 people
• Saimon♂7,626 people
• Saionara♀5,706 people
• Salatiel♂I asked God7,429 people
• Sales♂2,039 people
• Salesio♂1,074 people
• Salete♀41,643 people
• Salim♂Safe, healthy, intact1,035 people
• Salma♀Secure1,851 people
• Salmo♂1,657 people
• Salomão♂From shalom, 'peace'15,525 people
• Salomé♀Linked to Hebrew shalom, 'peace'1,345 people
• Salustiano♂1,664 people
• Salvador♂Savior, from Latin salvator25,173 people
• Salvadora♀Feminine form of Salvador, 'savior'1,448 people
• Salvelina♀1,340 people
• Salviano♂1,928 people
• Salvina♀1,439 people
• Salvio♂Safe (from Latin salvus)1,706 people
• Samanta♀25,489 people
• Samantha♀15,433 people
• Samara♀111,487 people
• Samea♀1,010 people
• Samela♀6,309 people
• Sami♂♀Elevated, sublime1,578 people
• Sâmia♀Feminine form of Sami, 'elevated, sublime, supreme'14,434 people
• Sâmila♀11,465 people
• Samile♀7,690 people
• Samili♀2,508 people
• Samilly♀5,454 people
• Samily♀4,849 people
• Samir♂Companion of night conversations9,409 people
• Samira♀Feminine form of Samir, 'companion for conversation at nightfall'46,330 people
• Samire♀1,059 people
• Samires♀1,571 people
• Samoel♂6,947 people
• Samuel♂Name of God522,131 people
• Samy♂♀Elevated, sublime1,291 people
• Samya♀2,467 people
• Samyra♀4,132 people
• Sander♂Defending men (short form of Alexander)2,860 people
• Sanderson♂Son of Sander, a short form of Alexander4,026 people
• Sandi♀English short form of Alexander, Alexandra or Sandra1,913 people
• Sandoval♂From Latin saltus, 'woodland', and novalis, 'newly cleared land'8,883 people
• Sandra♀Short form of Alessandra, feminine of Alexandre: 'defender of men'447,906 people
• Sandriele♀3,241 people
• Sandrieli♀762 people
• Sandro♂Short form of Alessandro, 'defender of men'113,102 people
• Sandy♀English short form of Alexander, Alexandra or Sandra12,017 people
• Sangela♀1,368 people
• Sani♂♀749 people
• Sania♀1,611 people
• Sanny♀1,057 people
• Sansão♂Linked to Hebrew shemesh, 'sun'1,250 people
• Santa♀Holy, sacred17,650 people
• Santana♂♀Contraction of 'Santa Ana'6,000 people
• Santiago♂Saint James14,662 people
• Santina♀Feminine diminutive of Santo, 'saint'14,686 people
• Santinha♀Diminutive of santa975 people
• Santino♂Diminutive of Santo, 'holy'3,274 people
• Santo♂Holy, sacred6,134 people
• Santos♂Plural of santo4,369 people
• Sany♀1,060 people
• Sarita♀Diminutive of Sara, 'lady, princess'3,140 people
• Saturnina♀Feminine form of Saturnino, 'of Saturn'694 people
• Saturnino♂Derived from Saturn, Roman god of fertility and agriculture2,374 people
• Saul♂Asked for, one who was prayed for5,832 people
• Saulo♂The one who was asked for54,061 people
• Savana♀1,210 people
• Sávia♀1,481 people
• Sávio♂24,748 people
• Saymon♂7,600 people
• Sayonara♀4,837 people
• Sayuri♀Small lily1,620 people
• Scarlet♀Scarlet, the name of a fabric and a color2,248 people
• Scheila♀5,589 people
• Schirley♀1,026 people
• Sebastian♂Native of Sebaste, a city in Asia Minor5,973 people
• Sebastiana♀Feminine form of Sebastião, from the Greek sebastós, 'venerable'92,792 people
• Sebastina♀1,908 people
• Selena♀Probably 'moon', from the Greek goddess Selene3,546 people
• Selene♀Moon2,087 people
• Seleste♀771 people
• Selestino♂545 people
• Seli♀1,309 people
• Selia♀3,058 people
• Selina♀2,719 people
• Selio♂1,646 people
• Selita♀913 people
• Selma♀94,743 people
• Selmar♂♀1,087 people
• Selmira♀1,135 people
• Selmo♂2,976 people
• Selso♂1,933 people
• Selvina♀1,116 people
• Selvino♂1,867 people
• Senhorinha♀Diminutive form of senhora, 'lady'3,148 people
• Senilda♀1,017 people
• Senira♀1,586 people
• Serafim♂Form of Seraphinus, from Hebrew seraphim, 'the burning ones'3,315 people
• Serafin♂797 people
• Serafina♀Form of Seraphina, feminine of Seraphinus, linked to Hebrew…1,351 people
• Serena♀Clear, tranquil, serene4,115 people
• Sérgia♀1,167 people
• Sergiane♀1,100 people
• Sérgio♂357,718 people
• Serjio♂465 people
• Serjo♂1,068 people
• Serli♀1,541 people
• Setembrino♂910 people
• Severiano♂Derived from Severus, 'severe'2,266 people
• Severina♀Feminine form of Severino, from Latin Severinus, derived from…79,193 people
• Severino♂Derived from Severo, 'austere'127,357 people
• Severo♂Severe1,762 people
• Sevirino♂786 people
• Sezar♂595 people
• Shaiane♀3,810 people
• Shaiene♀899 people
• Sharlene♀Feminine diminutive of Charles, a name linked to Germanic Karl, 'man'1,660 people
• Sharon♀Plain1,594 people
• Shayane♀2,378 people
• Shayene♀1,160 people
• Sheila♀Anglicized form of the Irish Síle, which goes back to Latin Caecilia…79,225 people
• Sheron♀2,187 people
• Sheyla♀Anglicized form of the Irish Síle, which goes back to Latin Caecilia…6,266 people

The figures are people recorded in IBGE's 2022 Demographic Census, which counts only the first name. How to read IBGE data.