Di Francesco signed a contract through June, 2022. He previously coached Pescara, Lecce, Sassuolo, Roma and Sampdoria.
Ranieri, who memorably guided outsiders Leicester City to the 2016 English Premier League title, takes over from Eusebio di Francesco, who was sacked after a poor start to the season
Serie A: AS Roma appoint Paulo Fonseca as head coach, Portuguese charged with returning club to Champions League
Paulo Fonseca was named new Roma coach as the Serie A club look to bounce back from a traumatic season that saw them go through two managers and fail to qualify for the Champions League.
Antonio Conte, who won three successive Serie A titles with Juventus and the English Premier League in his first season with Chelsea, added that he had nothing against the city itself
Former Roma boss Claudio Ranieri was reappointed head coach of the Serie A club until the end of the season after Eusebio Di Francesco was sacked.
Champions League: AS Roma sack Eusebio Di Francesco as coach after crashing out to Porto in round of 16
Eusebio Di Francesco was sacked as AS Roma coach after the team crashed out of the Champions League with former boss Claudio Ranieri tipped to replace him.
Champions League: AS Roma's Eusebio Di Francesco demands semi-final form against Porto after domestic stumble
Roma coach Eusebio Di Francesco said on Tuesday he wants his side to re-discover the performances which led them to last season's semi-finals before they face Porto in the second leg of the Champions League last 16.
Serie A: Felipe Caicedo, Ciro Immobile score as Lazio beat Roma; AC Milan continue impressive run with win against Sassuolo
Lazio made their rivals pay 18 minutes from time, as Immobile scored his 16th goal of the campaign only eight minutes after coming on as a substitute
Serie A: Edin Dzeko nets 95th-minute winner to hand AS Roma thrilling win over Frosinone; Torino see off Atalanta
Edin Dzeko snatched a 95th-minute winner for a double on the night as Roma rescued a 3-2 come-from-behind win against lowly Frosinone on Saturday to keep in touch with the Champions League places.
Europa League: Chelsea manager Maurizio Sarri rubbishes AS Roma rumours, defends under-fire midfielder Jorginho
Chelsea’s under-fire manager Maurizio Sarri has dismissed reports he is in talks to replace Eusebio Di Francesco at AS Roma
Serie A: 'Improved' AS Roma close in on Champions League places with hard-fought victory against Bologna
Defenders Aleksandar Kolarov and Federico Fazio both scored in the second half as Roma closed in on the Champions League places with a hard-fought 2-1 win over Bologna on Monday.
Champions League: AS Roma ride on teenager Nicolo Zaniolo's brace to take slender lead against FC Porto in last-16 tie
Teenage sensation Nicolo Zaniolo bagged a brace as Roma beat Porto 2-1 in their Champions League last 16, first-leg clash at the Stadio Olimpico on Tuesday.
Champions League: Eusebio Di Francesco wants struggling AS Roma to show ambition against FC Porto in last 16 tie
Roma coach Eusebio Di Francesco called on his side to show ambition against Porto in Tuesday's Champions League last 16, first-leg tie at the Stadio Olimpico to rekindle enthusiasm after recent knocks.
Serie A: Lazio ride on Felipe Caicedo's strike to down struggling Empoli, move into Champions League places
Felipe Caicedo scored from the spot as Lazio moved fourth and into the Champions League places on Thursday with a 1-0 win over struggling Empoli in Serie A.
Serie A: Bologna stun Inter to increase pressure on Luciano Spalletti; Nicolo Zaniolo rescues point for AS Roma against AC Milan
Federico Santander scored the winner as Bologna stunned Inter Milan to pile the pressure on Luciano Spalletti as Roma rescued a point against AC Milan.
Serie A: Big guns Juventus, AS Roma, Inter Milan hope to get back to winning ways after crashing out of Coppa Italia
The big guns all suffered upsets with Juventus crashing 3-0 to Atalanta, Napoli falling 2-0 to AC Milan and Roma suffering a 7-1 humiliation at Fiorentina.
Coppa Italia: AS Roma boss Eusebio Di Francesco insists he is not considering resigning after 7-1 humiliation against Fiorentina
AS Roma coach Eusebio Di Francesco is not contemplating resigning after his team continued their roller-coaster season with a 7-1 defeat at Fiorentina in the Coppa Italia quarter-finals.
Coppa Italia: Defending champions Juventus knocked out by Duvan Zapata-led Atalanta; Fiorentina thrash AS Roma 7-1
Four-time defending champions Juventus crashed out of the Coppa Italia with a defeat by Atalanta, as AS Roma suffered a humiliating 7-1 thrashing at the hands of Fiorentina.
Serie A: Roma egde past Genoa to end five-match winless streak; Arkadiusz Milik's 91st-minute free-kick helps Napoli win
Roma's win against Genoa ended their five-match winless streak dating back to a 4-1 triumph over Sampdoria on 11 November and lifted Di Francesco's side to sixth.
Serie A: Embattled AS Roma coach Eusebio Di Francesco defiant ahead of Genoa clash despite rumours of possible sacking
Di Francesco could be sacked if Roma fail to win against Genoa, according to reports in Italy, with the club's owner James Pallotta growing increasingly frustrated.