• Ruby

(1..100).each do |i|
  d3 = i % 3 == 0
  d5 = i % 5 == 0

  if d3 && d5
    puts "FizzBuzz"
  elsif d3
    puts "Fizz"
  elsif d5
    puts "Buzz"
  else
    puts "#{i}"
  end
end

• C++

for(int i = 1; i <= 100; i++)
{
    if((i % 15) == 0) std::cout << "FizzBuzz" << std::endl;
    else if((i % 5) == 0) std::cout << "Buzz" << std::endl;
    else if((i % 3) == 0) std::cout << "Fizz" << std::endl;
    else std::cout << i << std::endl;
}

• C#

string FizzBuzzOrNumber(int number) => number switch {
    var n when n % 15 == 0 => "FizzBuzz",
    var n when n % 3 == 0 => "Fizz",
    var n when n % 5 == 0 => "Buzz",
    var n => n.ToString()
};

for (var i = 1; i <= 100; i++)
{
    Console.WriteLine(FizzBuzzOrNumber(i));
}

• Dart

for (int i = 1; i <= 100; i++) {
  var s = StringBuffer();
  if (i % 3 == 0) s.write("Fizz");
  if (i % 5 == 0) s.write("Buzz");
  if (s.isEmpty) s.write(i);
  print(s);
}

• Fortran

  integer :: i
  logical :: fizz, buzz
  do i=1,100
     fizz = mod(i,3) == 0
     buzz = mod(i,5) == 0
     if (fizz) write (*,'(A)',advance="no") 'Fizz'
     if (buzz) write (*,'(A)',advance="no") 'Buzz'
     if (.not. fizz .and. .not. buzz) write (*,'(I0)',advance="no") i
     write (*,'(A)',advance="no") ', '
  end do
  write (*,'()')
end program

• Java

for (int i = 1; i <= 100; i++){
	if (i % 15 == 0)
	  System.out.println ("FizzBuzz");
	else if (i % 3 == 0)
	  System.out.println ("Fizz");
	else if (i % 5 == 0)
	  System.out.println ("Buzz");
	else
	  System.out.println (i);
      }

• Lisp

(loop for i from 1 to 100
   do (print (cond ((zerop (mod i 3))
      (if (zerop (mod i 5)) "FizzBuzz" "Fizz"))
         ((zerop (mod i 5)) "Buzz")
            (t (format nil "~d" i)))))

• Pascal

for i := 1 to 100 do
begin
  Fizz := (i mod 3) = 0;
  Buzz := (i mod 5) = 0;
  if Fizz then write('Fizz');
  if Buzz then write('Buzz');
  if not (Fizz or Buzz) then write(i);
  write(' ');
end.

• Perl

for my $i ( 1 .. 100 ) {
    print $i % 3 ? '' : 'Fizz';
    print $i % 5 ? '' : 'Buzz';
    print $i % 3 && $i % 5 ? $i : '';
    print "\n";
}

• Python

for i in range(1,101):
    if i % 15 == 0:
        print("FizzBuzz")
    elif i % 3 == 0:
        print("Fizz")
    elif i % 5 == 0:
        print("Buzz")
    else:
        print(i)

• Rust

for i in 1..101 {
    match i {
        i if (i % 15) == 0 => println!("FizzBuzz"),
        i if (i % 3) == 0 => println!("Fizz"),
        i if (i % 5) == 0 => println!("Buzz"),
        _ => println!("{i}"),
    }
}

• Smalltalk

1 to: 100 do: 
	[:ea | (ea isDivisibleBy: 15)
		ifTrue: [Transcript showln: 'FizzBuzz']
		ifFalse: [(ea isDivisibleBy: 5)
				ifTrue: [Transcript showln: 'Buzz']
				ifFalse: [(ea isDivisibleBy: 3)
						ifTrue: [Transcript showln: 'Fizz']
						ifFalse: [Transcript showln: ea]]]].