Srinivasa Ramanujan (1887 – 1920) is the eponym of all of the topics listed below.

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• Brocard–Ramanujan Diophantine equation
• Dougall–Ramanujan identity
• Landau–Ramanujan constant
• Ramanujan's congruences
• Hardy–Ramanujan number
• Hardy–Ramanujan theorem
• Hardy–Ramanujan asymptotic formula
• Ramanujan identity
• Ramanujan machine
• Ramanujan–Nagell equation
• Ramanujan–Peterssen conjecture
• Ramanujan–Soldner constant
• Ramanujan summation
• Ramanujan theta function
• Ramanujan graph
• Ramanujan's tau function
• Ramanujan's ternary quadratic form
• Ramanujan prime
• Ramanujan's constant
• Ramanujan's lost notebook
• Ramanujan's master theorem
• Ramanujan's sum
• Rogers–Ramanujan identities
• Rogers–Ramanujan continued fraction
• Ramanujan–Sato series
• Ramanujan magic square

• Hardy–Ramanujan Journal
• Journal of the Ramanujan Mathematical Society
• Ramanujan Journal

• Ramanujan College, University of Delhi
• Ramanujan Institute for Advanced Study in Mathematics
• Srinivasa Ramanujan Institute of Technology
• Ramanujan Mathematical Society
• Srinivasa Ramanujan Centre at Sastra University https://sas.sastra.edu/src/
• Srinivasa Ramanujan Concept School
• Ramanujan Hostel, Indian Institute of Management, Calcutta
• Ramanujan computer centre, Department of Mathematics, Rajdhani College, University of Delhi
• Srinivisa Ramanujan Library, Indian Institute of Science Education and Research, Pune^[1]

• Srinivasa Ramanujan Medal
• SASTRA Ramanujan Prize
• DST-ICTP-IMU Ramanujan Prize
• Ramanujan Prize, University of Madras^[2][3]

• Ramanujan IT City, Chennai
• Ramanujan Math Park, Chittoor, Andhra Pradesh, India